The immune system is one of the most … extraordinary feats of Darwinian engineering on the planet. Over the past four billion years as life developed from single-celled organisms to complex multicellular creatures, we have been under continual attack by viruses,...
Has this ever happened to you? … You’re lying in bed and trying to fall asleep, when you feel a sudden thunk in your chest. Maybe you sense that your heart is skipping a beat and then giving you a little kick afterwards. This could happen on and off for minutes....
Every living organism is built from a design … which is coded in genes. All cells in the human body, except red blood cells, contain a nucleus which holds the genetic information necessary to make a completely new human being. In Sleeper, Woody Allen and Diane...
Vertigo means dizziness—actually a specific … kind of dizziness where you think the room is spinning or moving, as opposed to feeling unsteady on your feet with reasonably stable surroundings. Any child who has experimented with spinning around like a top knows...
Of all the diseases I commonly see in primary care … none is more likely to be improperly treated than bronchitis. What is bronchitis and why do physicians and patients often approach this disease incorrectly? Bronchitis is divided into two versions. Acute...
