Public research university in Norwich, England, established 1963
A large UK Biobank study finds hormone therapy use is associated with a lower risk of dementia, including Alzheimer’s. Benefits vary by age at initiation and genetic factors; observational data limits causal conclusions.
The Bundibugyo strain of Ebola has reached unprecedented speed, with cases surpassing 4,000 and deaths above 2,000. Health workers face strikes over pay, security risks rise amid conflict, and aid cuts hinder response as experts warn the outbreak could escalate further.
A review of nearly 1,900 studies involving over 480,000 people finds that climbing stairs is associated with lower mortality from cardiovascular disease and all causes. Experts caution the results show association, not proof of causation, and note six flights a day may offer the greatest benefit.