(HealthDay News) -- No one has goes through daily life with no stress whatsoever. But too much stress can cause a host of emotional and physical problems, particularly on your heart and cardiovascular system.

(HealthDay News) -- If you're diabetic and preparing to head out for the holidays, take care to carefully pack your medications and supplies.

WEDNESDAY, Dec. 21 (HealthDay News) -- Hospital patients who are moved from regular care into isolation have a nearly twofold increased risk of developing delirium, but patients who begin their hospital stay in isolation aren't at increased risk, researchers have found.

WEDNESDAY, Dec. 21 (HealthDay News) -- Widowers who are still single a few years after their wife's death have a significantly increased chance of developing mental health disorders, according to a new study.

WEDNESDAY, Dec. 21 (HealthDay News) -- Life expectancy is a topic many disabled seniors want to talk about with their doctors but very few have that discussion, a new study finds.

WEDNESDAY, Dec. 21 (HealthDay News) -- It's prudent to limit the use of over-the-counter cold and flu medications during pregnancy, experts say.

WEDNESDAY, Dec. 21 (HealthDay News) -- The holidays can be a particularly difficult time for people suffering from depression.

WEDNESDAY, Dec. 21 (HealthDay News) -- Famous musicians are no more likely to die at age 27 than at any other age, a new study indicates.

WEDNESDAY, Dec. 21 (HealthDay News) -- Mutations in a gene called DICER are associated with rare, seemingly unrelated ovarian, uterine and testicular cancers, a new study finds.

WEDNESDAY, Dec. 21 (HealthDay News) -- Starting aquatic therapy within days after total knee replacement appears to improve patient outcomes, but that's not the case for those who've had a total hip replacement, according to a new study.

WEDNESDAY, Dec. 21 (HealthDay News) -- Jack Whelan first knew something was wrong when it got harder and harder to walk from the train station in Boston to the financial district where he worked.

WEDNESDAY, Dec. 21 (HealthDay News) -- Ludwig van Beethoven was arguably one of the most influential classical music composers of all time, yet he was deaf by the end of his career.

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

WEDNESDAY, Dec. 21 (HealthDay News) -- A diet consisting of eight weeks of protein shakes and soup followed by adding low-calorie, high-protein foods can help people with knee osteoarthritis lose weight, which may lessen joint pain and improve their quality of life, a new study finds.

WEDNESDAY, Dec. 21 (HealthDay News) -- As the obesity epidemic spreads around the world more people are suffering from acid reflux, likely increasing the number of those who will develop esophageal cancer, a new study suggests.

WEDNESDAY, Dec. 21 (HealthDay News) -- Problems in how people with dyslexia process the sounds they hear may be at the heart of this learning disorder, new research suggests.

WEDNESDAY, Dec. 21 (HealthDay News) -- Approval for the HIV drug Isentress (raltegravir) has been expanded to include children and adolescents ages 2-18, the U.S. Food and Drug Administration said Wednesday.

WEDNESDAY, Dec. 21 (HealthDay News) -- New research suggests that the outer edges of the brain are thinner in older people who may be destined to develop Alzheimer's disease, but there's currently no way to use the information to help people fend off dementia.