LONDON (Reuters) - Estrogen-only hormone replacement therapy (HRT) may increase the risk of developing asthma after the menopause, scientists said on Monday. The findings, from a major study involving almost 58,000 women in France over 12 years, add to a growing body of evidence suggesting a link between some female hormones and asthma. French and Mexican researchers found that compared ...

WASHINGTON (Reuters) - U.S. researchers have linked mothers' infection during pregnancy to asthma, the most common chronic disease among American children, in their offspring. A 16-year study following nearly 400,000 births in California found that when mothers had an inflammation known as chorioamnionitis and if a baby was born pre-term, that child was more likely to develop asthma by ...

NEW YORK (Reuters Health) - Children who start swimming before the age of 2 may be at increased risk of a common infant lung infection, and possibly asthma and respiratory allergies later in life, a new study suggests. The findings, reported in the European Respiratory Journal, add to evidence that exposure to chlorinated pools may affect children's respiratory health -- particularly ...