SUNDAY, Jan. 23 (HealthDay News) -- Yoga may be becoming more of a mainstream approach to Americans' health woes.

(HealthDay News) -- The collarbone doesn't completely harden until about age 20 years. This makes younger people -- especially participants in contact sports -- more susceptible to a broken collarbone, the American Academy of Orthopaedic Surgeons says.

(HealthDay News) -- During surgery to reconstruct a damaged anterior cruciate ligament (ACL), a new ligament is attached to the knee.

MONDAY, Jan. 24 (HealthDay News) -- Preparing small doses of medications from syringes can be inaccurate and lead to dangerous dosing errors for infants and small children, warns a new study.

MONDAY, Jan. 24 (HealthDay News) -- There's a much greater chance that U.S. high school students will retake the SAT if they score just below a round number (such as 1200) than if they score just above it, a new study suggests.

MONDAY, Jan. 24 (HealthDay News) -- As keyboards increasingly replace pens, new research cautions that the switch may come with an unforeseen price: the loss of critical brain activity central to learning that is uniquely tied to the old-fashioned act of handwriting.

MONDAY, Jan. 24 (HealthDay News) -- Continual exposure to stress prompts neural activity changes in those parts of the brain that control fear, vigilance and emotion, a new study suggests.

MONDAY, Jan. 24 (HealthDay News) -- People with chronic obstructive pulmonary disease are more likely today than in the past to die from cardiovascular disease or other conditions that are not respiratory ailments, a new Swedish study has found.

MONDAY, Jan. 24 (HealthDay News) -- For many people, their communication skills with loved ones are not as strong as they think.

MONDAY, Jan. 24 (HealthDay News) -- Sleeping in on the weekend may help children fight obesity, a new study suggests.

MONDAY, Jan. 24 (HealthDay News) -- A brief, individualized counseling program can improve sleep in older adults with insomnia, a new study shows.

MONDAY, Jan. 24 (HealthDay News) -- Many middle-aged women could significantly reduce their risk of heart disease by lowering their blood pressure, researchers say.

MONDAY, Jan. 24 (HealthDay News) -- The anti-estrogen drug that transformed the treatment of breast cancer three decades ago may also reduce the risk of dying from lung cancer, researchers say.

MONDAY, Jan. 24 (HealthDay News) -- Children with the most self-control at 3 years old become the healthiest, wealthiest and most successful adults, new research finds.

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

MONDAY, Jan. 24 (HealthDay News) -- The cost of treating heart disease and stroke in the United States is expected to triple in the next 20 years, to $818 billion, a new report says.

(HealthDay News) -- Here are the latest clinical trials, courtesy of ClinicalConnection.com:

MONDAY, Jan. 24 (HealthDay News) -- Heavy smokers of childbearing age -- especially women who have not been pregnant -- may face a modest increase in their risk of developing breast cancer, a new study suggests.

MONDAY, Jan. 24 (HealthDay News) -- Viibryd (vilazodone hydrochloride) tablets have been approved by the U.S. Food and Drug Administration to treat symptoms of major depressive disorder (MDD) in adults.

MONDAY, Jan. 24 (HealthDay News) -- A stress management program based on cognitive behavioral therapy may reduce the risk of heart attack, stroke and death in patients with heart disease, Swedish researchers report.