(HealthDay News) -- Getting an accurate reading when taking a wiggling infant's temperature can be a challenge.

(HealthDay News) -- The searing pain of shin splints is an injury some runners know all too well. Shin splints occur when the muscles, tendons or bone tissue become inflamed from overuse.

WEDNESDAY, March 23 (HealthDay News) -- Physical activity may diminish the negative impact of a high-salt diet on blood pressure, a new study suggests.

WEDNESDAY, March 23 (HealthDay News) -- People of normal weight eat more when they sleep less, a small new study finds.

WEDNESDAY, March 23 (HealthDay News) -- The genome of the highly aggressive blood cancer multiple myeloma has been mapped by a team of North American scientists, who say their achievement will improve understanding of what causes the disease and may lead to new treatments.

WEDNESDAY, March 23 (HealthDay News) -- The risk of lung cancer for people who smoke menthol cigarettes is no greater than that of those who prefer regular cigarettes, researchers report.

WEDNESDAY, March 23 (HealthDay News) -- Reducing the workload of U.S. medical residents to a maximum of 80 hours a week has not had a negative effect on patient safety and has had little effect on the training of new doctors, a new study contends.

WEDNESDAY, March 23 (HealthDay News) -- Overweight and obese people often think they weigh less than they do, and many mothers of chubby kids view their children's bulk as normal, new research finds.

WEDNESDAY, March 23 (HealthDay News) -- A new study helps explain how some lung cancers become resistant to targeted drug therapy.

WEDNESDAY, March 23 (HealthDay News) -- The Affordable Care Act turns 1 year old on Wednesday, and the health-care reform package -- the centerpiece of President Barack Obama's first term in office -- remains as controversial as the day it was signed into law.

WEDNESDAY, March 23 (HealthDay News) -- Researchers report that they've grown mouse sperm from testicular tissue in the laboratory, a development that could advance the field of infertility in human males.

WEDNESDAY, March 23 (HealthDay News) -- New research finds that people who frequently attend religious services are significantly more likely to become obese by the time they reach middle age.

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

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

WEDNESDAY, March 23 (HealthDay News) -- Though repeatedly linked to neurological deficits in children and unborn babies, Americans' level of exposure to mercury from sources such as fish is not associated with a higher risk of heart disease, stroke or other cardiovascular disease, a new study suggests.

WEDNESDAY, March 23 (HealthDay News) -- Exposure to high levels of traffic pollution doubles the risk of organ rejection and death in lung transplant patients, a new study suggests.

WEDNESDAY, March 23 (HealthDay News) -- People with moderate-to-severe chronic obstructive pulmonary disease (COPD) use inhaled long-acting bronchodilators to control symptoms and reduce flare-ups, but which type of drug is best hasn't been clear.

WEDNESDAY, March 23 (HealthDay News) -- Researchers report that taking the diabetes drug Actos helped people who had prediabetes avoid getting type 2 diabetes.

WEDNESDAY, March 23 (HealthDay News) -- Scientists may have developed a new way of predicting when breast cancer will spread.