Science

Obesity Increases Risk of Severe Infectious Diseases

A study published in The Lancet reveals that individuals with obesity face a 70% higher risk of hospitalization or death from infectious diseases compared to those with a healthy weight. Analyzing data from over 540,000 participants in the UK and Finland, researchers found that the risk of severe infection increased with body mass index (BMI), with those having a BMI of 40 or higher experiencing nearly three times the risk. The study highlights that obesity is linked to worse outcomes from a variety of infections, including flu and pneumonia, independent of other chronic health conditions.

Caffeine Linked to Lower Dementia Risk in Study

A study led by researchers from Mass General Brigham, Harvard T.H. Chan School of Public Health, and the Broad Institute found that consuming two to three cups of caffeinated coffee daily or one to two cups of tea is associated with an 18% lower risk of developing dementia among nearly 132,000 participants. The research, published in JAMA, analyzed data from the Nurses’ Health Study and the Health Professionals Follow-Up Study, revealing that higher caffeine intake also correlated with slower cognitive decline and better cognitive function, particularly in individuals aged 75 and younger.