Bulletin August

• A new systematic review and meta-analysis of 720,000 adults has linked the consumption of artificial sweeteners to an increased risk of developing diabetes. • Separately, a study published in Frontiers in Nutrition indicates that cocoa polyphenols may enhance brain health by improving mood, blood flow, and the gut-brain axis. • While the cocoa findings are promising, researchers warn that evidence regarding cognitive benefits remains mixed and inconclusive.

• UCLA researchers have developed a new blood test designed to identify multiple types of cancer at an early stage by acting as a "health radar" for the body. • The method works by removing large quantities of normal blood-cell DNA, allowing the test to detect rare signals from tumors or damaged organs that are typically overwhelmed. • The team validated the approach using blood samples from 1,061 participants, including healthy individuals and patients with liver, lung, ovarian, and stomach cancers.

• Indian scientists have developed light-driven nanobots designed to enhance the treatment of breast cancer. • These nanobots are activated by near-infrared (NIR) light and respond to specific biological triggers, including glutathione levels and pH. • The technology is significant because it allows for highly localized drug delivery, potentially reducing the damage to healthy tissues compared to traditional therapies.

• A new "double-punch" strategy using specialized particles to target aggressive brain cancer has shown promise, according to a recent study. • A randomized trial involving 315 overweight Chinese adults aged 18+ found that a single focused workout can provide meaningful health benefits for those with central obesity. • These findings, published in Nature Communications, highlight a potential solution for reducing risks of heart disease and diabetes for individuals with packed schedules.

• A new study indicates that higher protein intake during the first trimester of pregnancy is linked to a lower risk of small birth size. • Separately, researchers analyzed data from 296,372 adults in the UK Biobank to determine if long-term exposure to residential night-time light (NTL) accelerates biological aging. • To measure aging, the study utilized the Klemera-Doubal Method (KDM) and PhenoAge, which estimate biological age based on clinical biomarkers rather than chronological years.

• A new medical review suggests that reducing protein consumption may slow biological aging and extend lifespan by improving metabolism and lowering inflammation. • The research highlights that protein restriction preserves healthy cell function and reduces cellular damage, offering benefits similar to calorie restriction but without the need to limit total caloric intake. • Evidence from animal studies in flies and rodents, as well as human clinical trials, indicates that these diets can effectively reduce body weight, fat mass, and fasting blood sugar.

• Researchers have discovered that genetic factors may determine why certain individuals suffer more significant brain damage from chronic sleep deprivation than others. • A preliminary study suggests that the lycopene and antioxidants in tomatoes may reduce oxidative stress and improve liver fat metabolism in people with MASLD. • The tomato study is currently limited by its small sample size and short six-week duration, meaning the results are not yet clinically definitive.