44 votes
Accepted

Can MRI scans be dangerous for one's health?

One of the greatest benefits of MRI scans is their safety. Unlike PET, X-ray, CT and most other scans, MRIs use the properties of body tissues in magnetic fields to produce an image. The MRI machine ...
29 votes
Accepted

Why do doctors prescribe steroid tablets even though they know the side effects?

I think a missing bit of information that might help you get a better sense of this practice is: steroids are miracle drugs. OK, that was in jest - no miracles here. Truth be told, though, if there ...
  • 4,345
20 votes
Accepted

What effects does alcohol have on underage children?

Alcohol is a psychoactive drug that acts as a central nervous system depressant. Drinking under-age increases alcohol risks in later life. Research shows the brain keeps developing well into the ...
  • 4,687
11 votes
Accepted

What are the health risks of consuming 6-8 liters (1.5-2 gallons) of water daily?

Summary The primary risk of excessive water intake is hyponatremia (low sodium level in the blood). While a healthy person who drinks 6-8 liters of water daily is unlikely to suffer significant ...
  • 4,345
11 votes

Why does my antibiotic make my urine yellow?

The color, odor and consistency of urine can be differ and can reveal what you've been eating, how much drinking and what diseases you have, so change of the color is usually something completely ...
  • 4,687
10 votes
Accepted

Is smoking during pregnancy harmful to child and mother?

Smoking during pregnancy is bad. Really bad. It will be damaging to the baby, and possibly even to the mother. Firstly, smoking during pregnancy increases the risk of miscarriages. It can also cause ...
  • 7,727
9 votes

Is smoking during pregnancy harmful to child and mother?

Smoking during pregnancy is related to many effects on health and it increases the risk in children as well. Even if the mother doesn't smoke, the risk increases significantly with higher amount of ...
  • 4,687
9 votes
Accepted

What are the health concerns with using a laptop on your lap?

The main energy emissions (i.e. ways of affecting its surroundings) of a laptop computer are— Sound: Unless your laptop has extravagant bass speakers that can physically rattle your organs hard ...
  • 589
9 votes

Why is the new mRNA vaccine unable to modify human DNA?

Roman Zieliński seems to be intentionally misleading you by making an implausible circumstance that is technically possible sound like a likely outcome. This strategy is not unusual among people who ...
  • 12.5k
7 votes
Accepted

Do the broken mercury thermometer causes any health problem or poisoning?

The mercury found in a thermometer is elemental mercury. It is poorly absorbed from the gastrointestinal tract. However, the greatest problem with it is that, apart from ingestion, there can be ...
  • 2,823
7 votes
Accepted

Is Glue on Chocolate and other Wrappers Safe/ Edible?

It can be trusted as safe as much as the regulations that it comes under can be trusted to make it safe and producers following said regulations. Materials and articles that come into contact ...
7 votes
Accepted

What are the long-term side effects of melatonin?

In long term studies, the effects have been mixed but mild. In hemodialysis patients, after about six months - melatonin no longer seemed to have physiologic effects but could still be detected at ...
7 votes

Frequency of drug side effect listed as "unknown"

A GUIDELINE ON SUMMARY OF PRODUCT [pharmaceuticals] CHARACTERISTICS (EUROPEAN COMMISSION, 2009) In exceptional cases, if a frequency cannot be estimated from the available data, an additional ...
  • 15.7k
7 votes

Why is the new mRNA vaccine unable to modify human DNA?

To supplement Bryan's answer (although I'm not going to say anything fundamentally different here), according to their proponents, mRNA vaccines are considered the safest genetic vaccines (in this ...
  • 5,803
6 votes
Accepted

Alcohol consumption during pregnancy

High levels of alcohol consumption during pregnancy can be harmful which can develop physical and mental defects in a fetus. When you drink, alcohol passes from your blood through placenta to a baby ...
  • 4,687
6 votes
Accepted

Effects of X-rays on the human body

A person should undergo Xrays as often an they are necessary, because the risk-to-benefit ratio is usually very far in favor of the benefit. As an example of this idea of risk-to-benefit ratio, lets ...
6 votes

Why do doctors prescribe steroid tablets even though they know the side effects?

This is a very good question. Simply put: among doctors we call them wonder drugs or life saving drugs. In a number of emergencies, such as severe drug reactions, life-threatening asthma or allergies,...
6 votes

Can effervescent multivitamin tablets cause teeth problems?

Couldn't find any articles directly looking at effervescent tablets and dental problems, so I took a more broad look and searched for citric acid's effect on teeth. The combination of citric acid and ...
6 votes
Accepted

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

This question arises from your (correct) understanding that administration of exogenous (i.e. not produced by the body) glucocorticoids (GCs) can suppress the body’s ability to produce its own GCs in ...
  • 4,345
6 votes

What are side effects frequencies based on?

Side effects frequency narrative words are defined by the council of International Organizations of Medical Sciences. See slide 10 of this presentation on the subject. As shown, "Very common" means ...
  • 749
6 votes

Are tobacco packaging warning messages improving health of society?

There are some studied done about it. Here is the list of them Effectiveness of cigarette warning labels Perceived Believability of Warning Label Information Do Cigarette Warning Labels Reduce ...
  • 301
6 votes
Accepted

Could any vaccines be dangerous for people with G6PD enzyme deficiency?

Glucose-6-phosphate dehydrogenase (G6PD) is an enzyme that protects red blood cell against oxidative damage. G6PD deficiency is one the most common genetic disorders. Most of the patients with G6PD ...
5 votes

How does anxiety and stress affect the bowels?

One’s mental state has a major effect on bowel function. In fact, there is a high correlation between IBS and stress. Given the high levels of anxiety and stress commonly seen in patients with ...
  • 958
5 votes

Why does my antibiotic make my urine yellow?

The anti-biotic could possibly be having an antidiuretic effect. This reduces the amount of water in urine, and so the natural yellow hue is intensified. There is a definition of an antidiuretic at ...
  • 1,503
5 votes
Accepted

Outcomes and risks of LASIK surgery

Post-operative complications include the following: Visually significant wrinkles or striae in the flap (1%) Dislocated flap (early postoperative period) Infection (early postoperative period; very ...
5 votes

Effects and side effects of artifical oxytocin

Oxytocin is mainly produced by the body in the following situations: contractions sex breastfeeding social interaction It is primarily produced in the hypothalamus of the brain. In pregnant ...
  • 7,009

Only top scored, non community-wiki answers of a minimum length are eligible