(HealthDay News) -- Osteomyelitis is a bone infection usually caused by bacteria or, less often, a fungus.

(HealthDay News) -- A concussion is a brain injury that usually occurs from a violent blow to the head. People who participate in contact sports are particularly prone to this type of injury.

MONDAY, Jan. 10 (HealthDay News) -- Race and ethnicity play major roles in whether people get screened for colon cancer in the United States, with minorities much less likely to undergo colonoscopies than white people. Now, a new study says another factor is at play: where people live.

MONDAY, Jan. 10 (HealthDay News) -- People over age 65 are at increased risk for serious side effects while undergoing latent tuberculosis therapy, a new study finds.

MONDAY, Jan. 10 (HealthDay News) -- The rate of age-related macular degeneration, a major cause of vision loss in the United States, has decreased in the last 15 years, a new study finds.

SUNDAY, Jan. 9 (HealthDay News) -- People with immune-related disorders such as rheumatoid arthritis and lupus may be at increased risk for developing potentially deadly blood clots during hospital stays, a new study has found.

SUNDAY, Jan. 9 (HealthDay News) -- Stroke patients given the antidepressant fluoxetine (best known by the brand name of Prozac) appear to regain more muscle function than other recovering stroke sufferers, French researchers have found.

MONDAY, Jan. 10 (HealthDay News) -- Teens whose diets include lots of sugary drinks and foods show physical signs that they are at increased risk for heart disease as adults, researchers from Emory University report.

MONDAY, Jan. 10 (HealthDay News) -- American parents say they should be the ones to teach their children about sex but many believe that role is being filled by kids' friends and the media, a new study finds.

MONDAY, Jan. 10 (HealthDay News) -- Having babies close together may triple the risk of autism in the second child, new research suggests.

MONDAY, Jan. 10 (HealthDay News) -- Widespread nursing home closures over the past decade have resulted in a 5 percent drop in available nursing home beds across the United States, with poor, urban neighborhoods hardest hit, new research reveals.

MONDAY, Jan. 10 (HealthDay News) -- Young kids who live with a parent who smokes face an increased risk for developing high blood pressure while still children, a new study has found.

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

MONDAY, Jan. 10 (HealthDay News) -- The H1N1 swine flu pandemic last winter offers clues about how to create a vaccine that can protect people against multiple strains of influenza, U.S. researchers say.

MONDAY, Jan. 10 (HealthDay News) -- Too much time spent watching TV or sitting in front of a computer may increase your risk for heart disease and even shorten your life, a new British study found.

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

MONDAY, Jan. 10 (HealthDay News) -- Extremely obese people had a significantly greater chance of dying than did others infected with the H1N1 swine flu virus that became a pandemic last winter, a new study reports.

MONDAY, Jan. 10 (HealthDay News) -- The bullet that scored a path through Rep. Gabrielle Giffords' brain on Saturday will likely cause some permanent damage, but experts aren't sure at this point how extensive that damage might be.

MONDAY, Jan. 10 (HealthDay News) -- Women exposed to plasticizers and pesticides at work are more likely to suffer fertility problems and to have lower birth-weight babies, according to a new study.

MONDAY, Jan. 10 (HealthDay News) -- Fentanyl (Abstral) tablets have been approved by the U.S. Food and Drug Administration to help opioid-tolerant adults with cancer manage so-called "breakthrough" pain that occurs suddenly and requires a short-term higher dose of a patient's round-the-clock opioid regimen.

MONDAY, Jan. 10 (HealthDay News) -- Patients given cholesterol-lowering drugs called statins after suffering a stroke caused by bleeding in the brain may be at an increased risk of having another such stroke, a new study suggests.