(HealthDay News) -- Strep throat can cause a nasty sore throat while you're getting over the associated bacterial infection.

(HealthDay News) -- You may be consuming caffeine in everything from your favorite soda or a mug of coffee to the drug you took to ease your migraine.

WEDNESDAY, Feb 2 (HealthDay News) -- Victorious wrestlers have a greater increase in testosterone levels after a match than their vanquished opponents, a new study finds.

WEDNESDAY, Feb. 2 (HealthDay News) -- Better nutrition and greater weight gain may help improve lung function in premature babies with a lung disease called bronchopulmonary dysplasia, finds a small new study.

WEDNESDAY, Feb. 2 (HealthDay News) -- In families where dads play more with their young children, couples tend to be more supportive of each other's parenting styles.

WEDNESDAY, Feb. 2 (HealthDay News) -- Five new genetic variants believed to play a role in Parkinson's disease have been identified by researchers.

WEDNESDAY, Feb. 2 (HealthDay News) -- The earlier a person begins puberty, the lower their risk of osteoporosis later in life, a small new study suggests.

WEDNESDAY, Feb. 2 (HealthDay News) -- People with high-functioning autism have difficulty understanding others' intentions, new research shows.

WEDNESDAY, Feb. 2 (HealthDay News) -- Researchers report that DNA analysis has led to the identification of a new and extremely rare vascular disease, along with its genetic cause.

WEDNESDAY, Feb. 2 (HealthDay News) -- A mother's history of stroke can help predict a daughter's chances of not only having a stroke but also her chances of having a heart attack, new research shows.

WEDNESDAY, Feb. 2 (HealthDay News) -- Scientists say they have devised a process to create ready-made, easily stored blood vessels that may potentially be used for patients undergoing heart surgery or kidney dialysis.

WEDNESDAY, Feb. 2 (HealthDay News) -- The huge winter storm producing up to two feet of snow Wednesday in some sections of the United States could also cause a blizzard of injuries if people don't take proper safety precautions while shoveling or playing in the snow, the American Academy of Orthopaedic Surgeons warns.

WEDNESDAY, Feb. 2 (HealthDay News) -- Electrical stimulation of the brain can bring a flash of insight that can help people solve new, difficult problems, research suggests.

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

WEDNESDAY, Feb. 2 (HealthDay News) -- Close to 100 million doses of H1N1 flu vaccine were given out in 2009-2010 in China, with no pattern of serious side effects observed, a review by Chinese scientists finds.

WEDNESDAY, Feb. 2 (HealthDay News) -- U.S. teen birth rates showed notable decreases throughout most states and across all racial and ethnic groups from 2007-09, federal researchers reported Wednesday.

WEDNESDAY, Feb. 2 (HealthDay News) -- A large international trial finds that the Gardasil vaccine shields young men from human papillomavirus (HPV) as well as it protects young women.

WEDNESDAY, Feb. 2 (HealthDay News) -- Late-stage clinical trials of a new antibiotic for the increasingly common intestinal infection Clostridium difficile, which is especially lethal to the elderly, suggest it prevents recurrence far better than currently used medications.