Questions tagged [endocrinology]

The branch of physiology and medicine concerned with endocrine glands and hormones.

Filter by
Sorted by
Tagged with
21
votes
2answers
531 views

Can long term sleeping at day damage your health?

I've passed half or more of my life, sleeping in very late and often after the sun rises. Now I believe that I'm already feeling its effect. Some of my hormones are under the ideal levels and I have a ...
20
votes
1answer
638 views

What are the long-term side effects of melatonin?

What are the long-term side effects of taking melatonin as an oral supplement? The couple of articles I have read are inconclusive: http://www.huffingtonpost.com/2015/03/11/what-is-melatonin-...
11
votes
1answer
164 views

“Narrow” Pure Androgen-secreting Adrenocortical Adenoma

I was looking for a case report or example to match something I've come across that I thought highly unlikely to the point of being untrue. That is a adrenocortical adenoma (AA) was functional but ...
9
votes
1answer
1k views

Does hyperthyroidism affect serotonin levels?

I have read that hyperthyroidism can cause depression. Is this because of low serotonin levels or is there is another cause? Does this kind of depression need to be checked by a psychiatrist? Edit (...
9
votes
1answer
193 views

Hashimoto thyroiditis leading to severe psychological problems and behavior changes?

Can Hashimoto thyroiditis lead to psychological problems and severe behavioral changes? Do existing psychological problems (anxiety, depression, etc.) 'compound' when layered with Hashimoto ...
9
votes
1answer
170 views

Does inhibiting prolactin levels cause any health problems?

I am using a prolactin inhibitor drug called "Dostinex". In general, it has some positive effects on me (increased libido, better mood) and I haven't realized any bad side effects. I'm wondering, ...
8
votes
2answers
3k views

How does ones TSH tend to vary over the course of a day?

A single TSH (Thyroid Stimulating Hormone) blood test is commonly used to help diagnose thyroid problems, however my understanding is that the TSH tends to vary substantially over the course of a day, ...
8
votes
1answer
352 views

What happens to a woman if she takes testosterone?

I'm interested in the changes that happen to the female body (let's say this person is 20) in the short (year one to five) and in the long term (20+ years). Let's assume that the dose of testosterone ...
8
votes
1answer
657 views

What are the benefits of high testosterone in men?

It's common to hear about products that claim to be testosterone boosters for men and vitamins that boost testosterone, but what benefits does high testosterone actually entail? For example, are ...
8
votes
1answer
76 views

Low dose and high dose dexamethason supression test

What is the difference between high dose and low dose dexamethason suppression test in Cushing Syndrome diagnosis?
7
votes
1answer
568 views

What does metformin do to treat polycystic ovarian syndrome?

Metformin is a drug used to treat diabetes but one of its off-label uses is to treat Polycystic Ovarian Syndrome. What does metformin do for someone who has PCOS but does not have diabetes? Is ...
7
votes
1answer
234 views

What is the time frame of developing adrenal suppression when taking oral corticosteroids?

I was prescribed a short-term prednisolone therapy. From my research, it seems that many of the side effects are associated with prednisolone replacing the natural corticosteroids produced by the body,...
7
votes
1answer
131 views

Does elevated potassium lead to elevated cortisol?

I came across this statement on Selfhacked: If you have high cortisol, you will do worse with a high salt diet and you will be potassium deficient in the long term (few people as it is get the RDA)...
7
votes
2answers
7k views

Why do guys develop “abs” more easily than girls?

Is there something different in the muscle structure for males vs. females? Or does it have to do with hormones?
6
votes
1answer
192 views

Is adrenaline a coctail of hormones, rather than one hormone?

Although it has been called the "Fight or Flight Hormone" adrenaline can be better described as 'Do it NOW!!! hormones." First things first, notice the 's.' Adrenaline isn't just one thing, but a ...
6
votes
1answer
98 views

Do combined oral contraceptives cause weight gain?

I started Lo Loestrin Fe (a combined estrogen-progestin oral contraceptive pill) about 4 months ago. The first month on it, I got my period. The second month, I did not. The third month I got it. Now, ...
6
votes
2answers
238 views

Effects and side effects of artifical oxytocin

I have heard that oxytocin improves mood drastically, is secreted in the body during certain activities, can be synthesized artificially, and the artificially synthesized oxytocin can be consumed ...
6
votes
1answer
8k views

Is there any risk from eating meals before/after HGH shots?

I'm undergoing HGH therapy, and I see a lot of conflicting information on the internet another whether or not it's truly bad to eat meals after/before the shots -- supposedly, it can increase the risk ...
6
votes
1answer
76 views

How long would it take for one's thyroid hormones to get to dangerously low levels?

If the thyroid gland just completely stopped working and it went untreated, how long would it take for one's thyroid hormones to get to dangerously low levels? At what point does Myxedema Coma occur?
6
votes
0answers
44 views

What is the link between elevated estrogen and lowered alkaline phosphatase?

This Wikipdia-article lists several conditions or diseases that may lead to reduced levels of alkaline phosphatase (AP). Among them are: postmenopausal women receiving estrogen therapy because of ...
5
votes
2answers
199 views

“There is a very strong correlation between consuming dairy products — such as milk — and acne, skin breakouts and aging.”

I read an article here that says: “There is a very strong correlation between consuming dairy products — such as milk — and acne, skin breakouts and aging.” The reason? Hormones, Bella says. ...
5
votes
2answers
168 views

What are the causes of Chronic Diarrhea?

What are the main causes for chronic diarrhea and frequent mouth ulcers when the following is true: Patient's hormones are normal Patient's endoscopy and colonoscopy are normal Patient does not have ...
5
votes
2answers
67 views

Does a hormone PTSH exist?

It's known that a hormone called TSH (thyroid stimulate hormone) does exist and it's secreted in the pituitary gland. But my question is about a hormone which secreted from the pituitary gland too ...
5
votes
1answer
86 views

Could a high TSH level mean a problem with the pituitary gland?

When our physician suspects we might have a problem with our thyroid he sends us to check the TSH level in our blood. If there is a lot of TSH in the blood it means that the thyroid can't work quickly ...
5
votes
1answer
6k views

Can pregnancy lead to growing taller?

In an adult that has finished growing, is it possible to grow more during pregnancy? I've been assured this is possible by some relatives, and also a friend who swears she grew an extra inch when ...
5
votes
1answer
145 views

What are the natural and healthy ways to increase blood sugar?

Some relatives of mine have low blood sugar. Doctor told them to eat table sugar whenever they get a feel of low blood sugar. AFAIK table sugar is not good for health. What are the natural and ...
5
votes
1answer
84 views

Routine exams in patients with hypothyroidism

In people with hypothyroidism that is being treated with thyroid hormones and that are not showing symptoms or hypothyroidism, how often should these tests be performed: TSH blood test T4 blood test ...
5
votes
0answers
51 views

What is the cheapest or more accessible way to measure day-to-day hormonal activity variation on a patient? [closed]

Let's say I have 24/7 access to a patient and I would like to record a complete profile of his/her hormonal activity throughout a period of time. I'm interested in the raw data. I want tons of ...
5
votes
1answer
96 views

Eczema and steroids: why do endogenous cortisol and exogenous cortisone/prednisone differ?

Topical steroids are a mainstay treatment for eczema, and severe episodes are sometimes treated with oral steroids. Meanwhile stress is a known trigger for exacerbating eczema. During physiological ...
4
votes
2answers
807 views

Should chronic low cortisol be treated if the patient has no symptoms?

I discovered I have low cortisol levels (11,35 μg/dL) but I never had any of those symptoms listed here. My mom also has low cortisol levels. I have no HIV, no known auto-immune diseases, I believe I'...
4
votes
1answer
6k views

What is normal range of Anti TPO antiodies test?

What is normal range of Anti TPO antiodies test? My relative have undergone this test and got value 207. Her TSH is also 5.8
4
votes
1answer
4k views

Why Dydrogesterone is no longer available in US? Why dienogest is not approved?

Dydrogesterone and Dienogest are very very helpful medications in treating endometriosis condition, and Dydrogesterone helps many women to become pregnant. They are widely used around the world and ...
4
votes
1answer
1k views

Does taking melatonin cause a reduction in the amount of melatonin the brain produces?

I take melatonin fairly frequently, but I have noticed that it does not work as well as it once did. I am wondering if by taking melatonin, the brain reduces its natural production of melatonin.
4
votes
1answer
325 views

Is there a negative counterpart to endorphins?

A neuropeptide, I suppose, or some pharmacological activity that facilitates the transmission of pain or stress signals?
4
votes
0answers
34 views

Breakthrough bleeding on progestogen-only contraception

Background In hormonal contraception, two types of hormones are used; estrogens and progestogens. The progestogens are the type of hormone that is mainly responsible for the contraceptive effects. ...
4
votes
0answers
39 views

Effectiveness of blue light filters for preventing delayed and decreased melatonin secretion?

The iPhone offers a "night shift" feature. Research indicates that blue light exposure decreases melatonin secretion (e.g., Ferguson, Melton, Li, Park, & Tosini, 2008). To what extent do built-...
4
votes
0answers
20 views

transdermal estrogen use sans progesterone & endometrial and breast cancer risk?

To what extent does transdermal estrogen use, without co-use of progesterone, increase endometrial and breast cancer risk? How does risk, if it exists correlate with years of use?
4
votes
0answers
86 views

How does metformin interact with nicotine?

Does co-use of nicotine replacement therapy and metformin increase lactic acidosis risk? If so, how?
4
votes
0answers
34 views

Are there any hormones that are only present in children and not adults?

I am trying to ascertain whether or not there are hormones only evident in children which then desist with growth & age. I have found nothing of any use from google, wondered if perhaps here ...
3
votes
1answer
467 views

Lab test result meaning

Why in this lab test results the microsomal antibodies amount has less sign and thireoglobulin antibodies don't have this sign? I did not question it first but now I have suspicion may be I am not ...
3
votes
1answer
367 views

Refrigeration for peptides

I left a bottle of peptides on my desk without refrigeration for about 24 hours. Are the peptides ruined? My house is generally kept cool and the bottle was cool to the touch when I picked it up again....
3
votes
1answer
582 views

Causes of polypoid foveolar hyperplasia

Six years ago during an endoscopy, the gastroenterologist noted that he had seen a small nodule forming in my stomach. A recent endoscopy revealed 3 nodules. The biopsies showed that they were benign,...
3
votes
1answer
212 views

If a man occasionally wakes up after five hours of sleep, is it safe for him to take melatonin even though the night is almost over?

Melatonin, a hormone, is sold over-the-counter in the US and Canada. Bedtime is a good time to take melatonin Clinical psychologist Michael Breus writes: Melatonin is a sleep and body clock ...
3
votes
1answer
497 views

Does blindness stop the production of melatonin?

Melatonin is the hormone that gives the "expectation" of darkness. It has no use in blind people, so do they slowly stop (or immediately) secreting it? I heard it is given artificially to help with ...
3
votes
0answers
38 views

Causes for elevated beta-HCG and AFP

I am interested in finding possible causes of elevated levels of beta-HCG and Alpha-1-Fetoprotein in males. However, as much as I see, the only answer I find relates to cancer, and my curiosity is ...
3
votes
0answers
30 views

Effects of hypophosphatemia on DNA

There is a lot of supportive evidence that its role in ATP results in much of the clinical manifestation of hypophosphatemia, but I was wondering about the other roles where Phosphate is an important ...
3
votes
0answers
142 views

Is there any harm in taking a melatonin supplement every night?

I noticed that a bottle of melatonin supplement is labelled "For Occasional Sleeplessness". The use of the word "Occasional" surprised me. Is there any harm in an adult taking a melatonin supplement ...
3
votes
0answers
119 views

What are the testosterone tests that I can take to prove that my low libido is really a testosterone problem?

I understand that ( correct me if I am wrong) the Sex Hormone Binding Globulin ( SHBG) test is one of the tests that can be used to evaluate one's libido. The sex hormone binding globulin (SHBG) ...
2
votes
1answer
33 views

Usage of progesterone for recurrent miscarriages

On news and pregnancy sites* (which are notoriously full of things not supported by science), I have read that progesterone is sometimes given to women suffering from recurrent miscarriages (3 or more ...
2
votes
1answer
66 views

Amount of phytoestrogens in processed soy like tofu

Does anyone know the amount of phytoestrogens like genistein in for example cooked soy, tofu, tempeh etc.?