Dr Alan Jacobs reports on the first functional evidence of gene variants with implications for the pathology of ADHD

Dr Arefa Cassoobhoy highlights some of this week's most important medical news: new ACP guidelines on low back pain, using waist/hip ratios to predict risk, and the harms of false-positive mammograms.

How can we address patients' fears about insulin? Dr Shubrook speaks with Dr Jim LaSalle about the benefits of earlier use of insulin in patients with type 2 diabetes.

Dr Arefa Cassoobhoy highlights some of this week's important medical news: the new GOLD report on COPD, the 2017 adult vaccine recommendations, and a fascinating survey on cancer prevention awareness.

Do exercise intensity and sport type affect mortality risk or is it all the same? Dr JoAnn Manson reviews two recent studies on physical activity that have important public health implications.

In the years after surgery, micro- and macronutrient impairments present a significant risk. Dr David Johnson tells you how to identify signs of trouble.

Wake up, people! Time to take a serious look at magnesium deficiency and its potential role in sudden death and other conditions.

Dr Arefa Cassoobhoy highlights some of this week's most important medical news: pros and cons of lung cancer screening; NSAIDs for respiratory infection and MI risk; foreign- vs US-trained physicians.

Drs Shubrook and Skolnik discuss the role of GLP-1 receptor agonists in the management of type 2 diabetes and the surprising benefits of these agents when combined with insulin.

Dr Paul Offit explains why those who have completed the HPV4 series should also receive HPV9.