At age 86, living legend Dr. Buzz Aldrin was recently medically evacuated from the South Pole. In the first of a two-part series, Dr. Jamie Wells shares an experience she had at high elevation with the former astronaut when addressing altitude illnesses, prevention and treatment.  

Many homeopathic products have been targeted with warnings or recalled in the last few months, primarily because they contain varying amounts of ingredients -- with some being highly toxic. Here we explore the ingredients in one of these troubling products. 

Here's the first in a new series called Annoying Studies. These typically include research that is already known, redundant and possibly pushing an agenda. We start with a work just published in the journal Pediatrics on weight changes and regaining birth weight in the newborn period. 

New research published in the American Journal of Infection Control suggests that professionals who administer breath alcohol tests should stay away from hand sanitizers that contain ethanol, as they can cause breathalyzers to produce a false positive result. That's because the active ingredient is often some kind of alcohol.

Breakfast, it appears, is no longer to be considered only a morning meal. With consumers wanting their breakfasts at any time of day, restaurants are supplying their eggs and bacon pretty much round the clock. Will that have a negative nutritional impact? Probably not.

Right now it's a recommendation, but what a very smart one it is.
Hats off to the American Heart Association for raising the visibility and importance of aerobic fitness, and declaring that the metric be considered a vital sign which should be monitored and measured in physical checkups administered by physicians.
The scientific statement makes it clear that exercising the heart and lungs is essential to an individual's overall health, and that those prone to inactivity are at greater risk for life-threatening conditions.

Woe be unto the males who make this grave mistake. New research in the Proceedings of the Royal Society B reveals that males who choose to sit out during such scuffles may be subjected later to domestic abuse.

African women have one of the highest rates of HIV infection in the world. Although some means of prevention exist, compliance has not been great. However, two large, random controlled trials of vaginal rings containing a viral inhibitor, and requiring changing only once every four weeks, suggest that there may be help on the horizon.

Given that roughly two-thirds of weather-related deaths are attributed to cold temperatures, it seems appropriate to raise awareness about basic measures to ensure a happy winter season. Stay warm and safe, and ... 

A pair of misleading health directive headlines, one in Tme Magazine, the other in The Daily Mail, play up the findings of a less-than-rigorous study published in the British Journal of Sports Medicine that failed to make a strong case for associating athletic activities and participation with lifespan.