Research Roundup

Being overweight may trigger asthma. Though doctors have long assumed asthma leads to obesity by limiting physical activity, Harvard researchers now believe it may be the other way around, at least some of the time. In a study of almost 90,000 female nurses, age 27 to 44, those who were more than 35% overweight were three times more likely to develop asthma over a four-year period those of ideal