No matter how effective a drug may be, if it is not safe it cannot be used. A new study has found out how safe a common asthma treatment is.

While the idea of your body telling you to go to sleep may seem simple, it's actually a very complex process. In fact, that process also impacts certain side effects in asthma and allergy medications.

Over the past 20 years, the number of children with asthma has increased. Luckily, the number of children getting preventative treatment has also increased.

Of course, one of the goals in pregnancy is to avoid or lessen in utero exposure to drugs. Maternal asthma is a tough condition to control while minimizing medicines.