Countering a common perception that more sex can improve relationships, a study has found that couples are at their happiest when they hop into bed just once a week.
This is one of the first studies to show that sitting time is associated with early markers of atherosclerosis buildup in the heart
Metastasis -- the spreading of cancer cells from one part of the body to another -- is the leading cause of death among cancer patients.
WASHINGTON — The FBI says it won't publicly disclose the method that allowed it to access a locked iPhone used by one of the San Bernardino attackers.
The alarming increase in childhood obesity rates in the US that began nearly 30 years ago continues unabated, with the biggest increases in severe obesity
TORONTO — A hundred years ago, a small wound could result in death if an infection spread. That could become reality again as the world threatens to return to a pre-antibiotic era due to antibiotic resistance.