12 votes
Accepted

What are the best ways to increase fertility?

I will try to answer your question by using another perspective (risk factors for infertility). MALE Among the main causes of male infertility, "idiopathic" causes (ie not du to endocrine problems, ...
M. Arrowsmith's user avatar
9 votes
Accepted

Why I should avoid exercising after blood donation?

Most blood donors are a bit weakened from giving blood, despite often feeling great. The amount of blood removed from circulation reduces your possible performance level and you might tire more easily ...
LаngLаngС's user avatar
  • 6,867
8 votes
Accepted

Smoking just after a workout

Smoking in general is unhealthy. Smoking can result in emphysema, COPD, pulmonary hypertension and other ugly diseases [1,2,3]. After a workout your heart and respiration rates are higher than at ...
Kenneth P. Hough's user avatar
8 votes
Accepted

Is biking linked to erection- or fertility problems?

A decade ago, a study (1) reviewed the evidence regarding the effect of cycling on impotence (due for example to pudendal nerve entrapment) and the effect of repeated scrotal temperature on ...
M. Arrowsmith's user avatar
8 votes

How does exercise improve health?

Exercise does seem to have beneficial effects in treating and preventing many chronic diseases. As far as mechanism is concerned, we should probably narrow the scope: Question: What is the ...
De Novo's user avatar
  • 3,188
7 votes

Does staying at high altitudes increase your stamina?

I could not find a report where this has been formally studied but it is highly likely that persons coming to plains after staying at high altitude will feel more energetic, for a few days at least. ...
rncardio's user avatar
  • 1,770
6 votes

What is the best time in a whole day for doing daily exercise like stretching, jogging, walking, cycling or swimming?

As suggested by the answers in this question on fitness.se, the best time of the day is whatever works best for you. There is no magical time that will boost your metabolism more than other times, or ...
JohnP's user avatar
  • 6,630
6 votes
Accepted

Does lifting weights inhibit growth for teens and kids?

TL; DR: No, they won't impact growth if practiced within reason, and there is no damage to growth plates from injury. The medical community and the public in general seems to regard strength ...
JohnP's user avatar
  • 6,630
6 votes
Accepted

How long should one wait to eat after exercise

There really aren't any known harmful effects for an otherwise healthy person to eat directly after an exercise session. You may not have as much appetite, as the body will somewhat shut down the ...
JohnP's user avatar
  • 6,630
6 votes

What will happen if you keep running? What will eventually cause you to stop?

If the runner can't drink then dehydration will be the first thing that takes him out. Water is the one essential thing he's going to lose rapidly through sweat, urine and respiration, and as he loses ...
Carey Gregory's user avatar
  • 9,694
5 votes

Does lowering your resting heart rate decrease your metabolism?

The short answer is no, your metabolism isn't really driven by your heart rate. The basic definition of metabolism is that it is the process by which your body converts the food and liquid that you ...
JohnP's user avatar
  • 6,630
5 votes

Is there any cure for congestive prostatitis?

Thank you for the very interesting question regarding the prostate. Let me first briefly explain a few historical confusions regarding the nomenclature of prostatic disorders with particular attention ...
Ludwig Wittgenstein's user avatar
5 votes
Accepted

What heart conditions cause dizziness after/during exercise?

Dizziness or giddiness during exercise is classically caused by obstruction to the outflow of the heart i.e. aortic stenosis (see MedlinePlus). This condition is most commonly seen in either young ...
rncardio's user avatar
  • 1,770
5 votes
Accepted

What's the difference between a fast heart rate during exercise, and a fast heart rate during an anxiety attack?

It is not a fast heart rate but the underlying mechanisms that can affect health. The mechanisms involved in exercise can be beneficial and those in anxiety harmful. EXERCISE Physiological responses ...
Jan's user avatar
  • 15.8k
5 votes
Accepted

Is the number of push-ups a person can do a good risk estimate for heart attacks?

Yes, or at least, that's what this article in a reputable medical journal says and there is no reason to be more skeptical of it than the normal skepticism that any isolated article deserves. The 10 ...
Bryan Krause's user avatar
  • 13.3k
5 votes
Accepted

Simulate hypoxic training by breath holding/regulation

The approach you describe most likely will not work, and could be detrimental to your training. The main benefit of training at altitude is that the body will adapt to the lower concentration of ...
JohnP's user avatar
  • 6,630
4 votes
Accepted

Max heart rate questions

Currently, there is no definitive way to predict maximum heart rate for a single individual. There are formulae that can give an approximation, but about the only way to get a good estimate on a ...
JohnP's user avatar
  • 6,630
4 votes
Accepted

What are the effects of routine and daily meditation and physical exercise on pregnancy?

I wasn't able to find a study that looked at both meditation and exercise - besides ones about yoga - but I was able to find many that looked at each separately and seemed to indicate that combining ...
HDE 226868's user avatar
  • 1,848
4 votes

What are the health benefits of Yoga?

Evidence for the benefits of yoga is vast and easily accessible online. It is great to see question like this which focus on the comparison of yoga to other exercises. There is quite limited amount ...
arkiaamu's user avatar
  • 2,312
4 votes

Does the heart become stronger or weaker after an intensive workout?

We are looking at ventricular hypertrophy here. The human heart has a left and a right side. On both sides there are a ventricle and an atrium (1) (2). Basically the heart is just a bulk of muscle ...
arkiaamu's user avatar
  • 2,312
4 votes

How good, and for how long, can endorphins really make you feel?

There seems to be a misconception at the driving part of the question. Exercise has more effects (on the brain) than just stimulating a few synapses. That is indeed a vague and vastly incomplete ...
LаngLаngС's user avatar
  • 6,867
4 votes

Which foods are good for fat-burning?

As far as I know, there are no foods that burn fat in any significant amount (Mayo Clinic). To burn fat, a food would need to have "negative calories," which means less calories than the calories ...
Jan's user avatar
  • 15.8k
4 votes
Accepted

Walking as a healthy habit for the aged and my doctor's thoughts on it

I'm a physical therapist (PT) - considering we specialize in the application of movement and exercise. Consistency NOT time of day is the key to any exercise regimen. A walk in the park at 6AM or ...
Mike-DHSc's user avatar
  • 1,099
4 votes
Accepted

What is the connection between health, exercise, and meditation?

Apart from the mental benefits of meditation, there is some evidence for organic/physical benefits as well. Dean Ornish, the well known cardiologist who helped former U.S. President Clinton with his ...
Praxiteles's user avatar
4 votes

Potassium chloride for electrolyte replenishment instead of monopotassium phosphate

In solution, none of these original chemical salts matter because they dissociate entirely. All you have once you add water are ions in solution. Potassium ions in solution are potassium ions in ...
Bryan Krause's user avatar
  • 13.3k
3 votes

I am 15 and 163 cm tall - will I grow taller?

The only way to tell if you are going to grow taller or not is to have an x-ray done of the epiphyseal plates. These are segments at each end of the long bones in your body where bone growth (and thus ...
JohnP's user avatar
  • 6,630
3 votes
Accepted

Does exercising lower your lifespan?

Persons who do regular physical exercise have a lower heart rate while they are resting (or not exercising): http://www.ncbi.nlm.nih.gov/pubmed/22081187 Hence, their hearts will be beating same ...
rncardio's user avatar
  • 1,770
3 votes

How much tuna can I eat a week without running into mercury issues?

Worried about tuna giving you mercury poisoning? Here's the exact study that caused this concern. It's recommendations are much higher than that of the FDA and online calculators: http://www.atsdr.cdc....
John's user avatar
  • 1,094
3 votes

Exercise and stretches to help me reach my feet

I am not sure about physiotherapists, but one solution that is over thousand years old is Surya Namaskar, or Sun Salutations. One rep = two sets of yoga poses that give you a total body workout. If ...
Rhonda's user avatar
  • 561
3 votes

Tiredness. Needs opinions about the gym

I also suffer from similar symptoms. For about 3 years, I have been going to the (fighting) gym every other day and training for hours. At home, I would do my own exercises as well. By the end of 2-3 ...
agent provocateur's user avatar

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