Debate Heats Up Over Screening Athletes for Sickle Cell Trait

FRIDAY, Dec. 28 (HealthDay News) -- Though heart problems or heatstroke generally are to blame for a young athlete's sudden death, experts now know that carrying an aberration called the sickle cell trait also poses substantial risk.

Sickle Cell Disease, Sickle Cell Trait Are Not the Same

FRIDAY Dec. 28 (HealthDay News) -- Both sickle cell disease and the condition known as sickle cell trait are genetic blood diseases: You're born with one or the other because of the genes inherited from your parents. Beyond that, the two conditions vary considerably.

Chronic Worry Linked to Higher Risk of PTSD

FRIDAY, Dec. 28 (HealthDay News) -- Constant worriers are at increased risk for developing post-traumatic stress disorder (PTSD), according to a new study.

Health Tip: Coping With Carpal Tunnel Syndrome

(HealthDay News) -- Carpal tunnel syndrome occurs when tissues adjoining tendons in the wrist swell and apply pressure to a nearby nerve, causing numbness and pain.

Health Tip: Understanding Morning Sickness

(HealthDay News) -- Morning sickness, characterized by nausea and vomiting during pregnancy, can cause malnutrition for the mother and the developing baby if it's severe enough.

Survival of 'Obamacare' Tops List of Biggest Health News in 2012

FRIDAY, Dec. 28 (HealthDay News) -- With millions of Americans watching and waiting, the U.S. Supreme Court largely upheld the Obama Administration's health care reform legislation, making the survival of "Obamacare" this year's top health news story.

Health Highlights: Dec. 28, 2012

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay: