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
  • 6,907
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
  • 3,178
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
  • 6,657
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
  • 9,882
5 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
  • 6,907
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

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
  • 6,657
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
  • 15.9k
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
  • 14.1k
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
  • 6,657
4 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
  • 1,800
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
  • 15.9k
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
  • 1,109
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
  • 14.1k
4 votes

Why does liposuction but not exercise cause fat embolism?

Traumatic vs non-traumatic fat embolism My first thought here was that both liposuction and long bone fractures involve tissue trauma, which allows fat particles to enter the circulation, whereas ...
Chris's user avatar
  • 3,332
3 votes

How can a marathon eater maintain their health?

This is a health site, so I'm only answering the part about health dangers of binge eating: 1. Weight gain 1 hamburger, plain, single patty, 86 g = 254 Calories 100 hamburgers = 25,400 Calories = ...
Jan's user avatar
  • 15.9k
3 votes
Accepted

Normal life with heavy weights?

If you build this up gradually, then you're more likely to succeed, although it may still be above the limit that your body can tolerate in the long term. In general, exercise stresses the body, but ...
Count Iblis's user avatar
  • 2,270
3 votes
Accepted

If you are told you're going to have a heart attack in one month, what can you do now to prevent it?

There's very little you could do in terms of lifestyle changes. Quitting smoking, stopping excessive drinking, and stopping the use of stimulants such as cocaine and amphetamines are the only things I ...
Carey Gregory's user avatar
  • 9,882
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
  • 1,104
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
  • 6,657
3 votes

Not losing visceral fat (beer belly)

It does not matter what exercise you are doing; you have no influence what fat reservoirs will be targeted. But there are some things which you should do: Calculate your basal metabolic rate. While ...
Thorsten S.'s user avatar
3 votes

Not reaching a calorie goal/putting weight on

Calorie estimates from fitness trackers such as a FitBit are extremely unreliable, to the point where descriptions such as "wild guess" are reasonable. For example, a recent study found errors of ...
Mark's user avatar
  • 2,056
3 votes

Exercising a leg with a broken femur

This is a question to ask the surgeon who operated on the leg. Eventually, once the femur heals, you should be able to exercise on it unless there are some unusual individual circumstances. However, ...
veritessa's user avatar
  • 416
3 votes
Accepted

Why do exercises for lower back pain concentrate on the abdominal musciles?

Your inner core is where majority of the Chronic LBP research supports working. Inner Core Transverse Abdominis Multifidus Diaphragm Pelvic Floor Transverse Abdominis Dysfunction Numerous ...
Mike-DHSc's user avatar
  • 1,109
3 votes
Accepted

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

It's been my understanding that a buildup of lactic acid (aka lactate) eventually causes the muscles to stop being able to process glucose. This article from Scientific American describes the ...
BillDOe's user avatar
  • 1,400
3 votes
Accepted

When is too much running bad for your health?

The consensus view is given here. So, the views of James O'Keefe are not widely accepted in the medical community. Suppose, however, that the adverse effects of strenuous long endurance exercise he ...
Count Iblis's user avatar
  • 2,270
3 votes

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

Limitations of the study:(3) First, the study assessed the association between push-ups and CVD events. The results do not support push-up capacity as an independent predictor of CVD risk.  Second, ...
Physicsapproval's user avatar

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