Oldie memory lapses
The more mature among us may no longer be able to blame forgetfulness simply on old age. According to a study of 350 people given annual memory tests and whose brains were examined after death, the same brain lesions that are associated with dementia are responsible for mild memory loss as we age (Neurology, vol 75, p 1070).
Altered obesity
Thirteen genes altered chemically through a process called methylation have been linked with increased body weight. Screening for the altered genes could help spot people at risk from obesity before they put on weight, say researchers (…
