AbstractObjectiveTo evaluate whether irregular or long menstrual cycles throughout the life course are associated with all cause and […]

Perhaps it is the same for us all, whatever our age—if we know that we are approaching the […]

Updated Date: Wed, 23 Sep 2020 00:00:00 EDT

Updated Date: Wed, 23 Sep 2020 00:00:00 EDT

Updated Date: Wed, 23 Sep 2020 00:00:00 EDT

Updated Date: Wed, 23 Sep 2020 00:00:00 EDT

Updated Date: Wed, 23 Sep 2020 00:00:00 EDT

The bone marrow is the soft tissue inside our bones. Its main role is to produce stem cells […]

The former chief executive of a medical research charity founded by the IVF pioneer Robert Winston is accusing […]

In the original version of this letter (BMJ 2020;370:m3736, doi:10.1136/bmj.m3736, published 25 September 2020), Vincent Deary’s name was […]