Nicotine dependence lasts much longer than we have figured. The reward system in the brain remains altered several months after breaking the habit, according to Swedish research on rats. This problem is worse for the youngest nicotine addicted rats.
Researcher and Doctor Anita Kåss has found a medication that could be used to treat rheumatoid arthritis. It supresses a sex hormone which appears to be involved in the disease. The new drug might also be relevant for the treatment of other autoimmune diseases.