Heart disease

From solar power to powering our planet with garbage, Scientific American explores ideas that would improve our planet

Magnetic resonance elastography (MRE), developed at Minnesota's Mayo Clinic, uses low frequency sound waves to determine whether tissues and organs are too stiff, a sign of trouble

As nicotine use spreads across Africa, cancer-fighting groups are advocating for stringent smoke-free laws as tobacco companies lobby to expand in a growing continental market

Whereas some scientists are using the stomach to help grow a cardiac patch, others are putting heart cells together on a scaffold where they are keeping a beat on their own

Bypass surgery patients who were on a heart-lung machine often find their brain function slipping for months or years afterward. A new study--and a simple lesson in the scientific method--points to cardiac disease itself as the underlying cause of "pump head"

California finding bolsters theory linking neurological ailment to insecticides

Global warming is hitting Peru hard: More water stress, more migration, more disease.

For the past five decades, artificial heart-valve designs have evolved to successfully replace natural valves, which often begin to leak or harden over time

A 2005 Scientific American 50 winner moves from heart attacks to macular degeneration, and from academia to industry

New research suggests that most Americans are lacking a crucial vitamin.

A pioneering anesthesiologist has been implicated in a massive research fraud that has altered the way millions of patients are treated for pain during and after orthopedic surgeries

Former first lady Barbara Bush just had it--and now comedian Robin Williams is getting the procedure. The question is: Why?