SATURDAY, Nov. 5 (HealthDay News) -- Too few American doctors use oral food challenges to diagnose food allergies even though this type of test is considered the gold standard, according to a new study.

SATURDAY, Nov. 5 (HealthDay News) -- Children with asthma who live in single-parent homes are 50 percent more likely to return to the hospital for treatment within a year than those who live in two-parent homes, a new study finds.

SATURDAY, Nov. 5 (HealthDay News) -- Text message reminders help children -- but not teenagers -- stick with their asthma medication schedule, a new study finds.

SATURDAY, Nov. 5 (HealthDay News) -- Exposure to certain types of air pollution is associated with an increased risk for the painful joint disease known as rheumatoid arthritis, new research suggests.

SATURDAY, Nov. 5 (HealthDay News) -- Pregnancy is safe for most women with stable lupus, a new study indicates.

FRIDAY, Nov. 4 (HealthDay News) -- When the clocks go back an hour this weekend, some people may have trouble adjusting to the time change.

SATURDAY, Nov. 5 (HealthDay News) -- Arthritis of the knee is striking Americans at younger ages, new research has found, but shedding a few pounds if you're overweight may reduce your risk.

SATURDAY, Nov. 5 (HealthDay News) -- Two experimental treatments take aim at the destructive immune response believed to cause lupus, according to new research presented at the American College of Rheumatology annual meeting.