FRIDAY, Aug. 13 (HealthDay News) -- Whether buying a toothbrush or a new car, it's become routine for shoppers to research before buying so they know all the options and can strike the best possible bargain.

FRIDAY, Aug. 13 (HealthDay News) -- The nurses who staff a health-care call-in line never know what the next question might be.

FRIDAY, Aug. 13 (HealthDay News) -- When John D'Amato arrived home early from work one day, he found an empty bottle of ibuprofen on the living room floor -- and one very sick pet.

(HealthDay News) -- Pertussis, commonly called "whooping cough," is a bacterial infection with symptoms that are similar to those of a common cold. In children, bouts of coughing often end with a "whoop" sound.

(HealthDay News) -- Celiac disease is a digestive condition that usually damages the small intestine and interferes with nutrient absorption.

FRIDAY, Aug. 13 (HealthDay News) -- Culture influences suicidal behavior patterns for men and women and could play a role in prevention, an expert on the topic says.

FRIDAY, Aug. 13 (HealthDay News) -- Costly, brand-name blood pressure-lowering drugs are no better at preventing cardiovascular disease than older, generic diuretics, reveals long-term data from a large study.

WEDNESDAY, Aug. 11 (HealthDay News) -- In an extremely small, early trial, deep brain stimulation appeared to improve memory slightly in several patients with mild Alzheimer's disease.

FRIDAY, Aug. 13 (HealthDay News) -- The length and complexity of consent forms for people enrolling in clinical trials don't affect the ability of the participants to understand the key points of the study, researchers say.

FRIDAY, Aug. 13 (HealthDay News) -- Young Americans' exposure to alcohol ads in magazines declined 48 percent between 2001 and 2008, according to a new study.

FRIDAY, Aug. 13 (HealthDay News) -- Teens from around the world who regularly take acetaminophen, best known as Tylenol, were more than twice as likely to have asthma as teens who never take the over-the-counter pain and fever reducer, new research finds.

FRIDAY, Aug. 13 (HealthDay News) -- Even though anger is a negative emotion, angry people tend to pay more attention to rewards than threats, a new study finds.

FRIDAY, Aug. 13 (HealthDay News) -- Taking estrogen doesn't increase the risk of developing or dying from lung cancer among postmenopausal women who've had a hysterectomy, a new study has found.

FRIDAY, Aug. 13 (HealthDay News) -- Despite the current lull in H1N1 influenza activity, experts say it's likely that the Northern Hemisphere will see a new, but still mild, wave of the virus this flu season.

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

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

FRIDAY, Aug. 13 (HealthDay News) -- The U.S. Food and Drug Administration on Friday approved the ella (ulipristal acetate) emergency contraceptive pill, which prevents pregnancy if taken within five days of unprotected intercourse or contraceptive failure.