health briefs

Nix Sweeteners to Avoid

Spreading Antibiotic Resistance

Four widely used artificial sweeteners—saccharine, sucralose, aspartame and acesulfame potassium—promote the transfer of antibiotic resistance genes in both environmental and clinical settings, report researchers at the University of Queensland, Australia, in The ISME Journal. They found that these four nonnutritive sweeteners promote horizontal transfer of the genes between bacteria, furthering the spread of antibiotic-resistant genes in the intestine. The researchers say the findings provide insight into the spread of antimicrobial resistance and point to a potential risk associated with ingesting the artificial sweeteners.

Cultivate Satisfaction to be Healthier and Happier

Older people with high levels of life satisfaction—a favorable attitude toward life—have healthier habits, less depression and pain, better sleep and a longer life, reports researchers from the University of British Columbia. They studied nearly 13,000 U.S. adults older than 50 for four years and found that higher life satisfaction was linked to 26 percent reduced mortality and a 46 percent lower depression rate. People that felt good about their lives had fewer chronic conditions and pain, exercised more often, were both more optimistic and likely to be living with a partner and experienced less hopelessness and loneliness. However, such positive feelings were not associated with fewer health conditions such as diabetes, heart disease, arthritis or obesity; were not marked by less alcoholic binging or smoking; and were not affected by frequency of contact with children, family and friends.

Consider Depression Treatment to Fight Ulcers

Research from the University of Queensland, in Australia, has found that peptic ulcers and irritable bowel syndrome, along with other gut disorders, are linked to depression. The researchers analyzed health data from more than 450,000 people and found eight genetic variants that predispose people to peptic ulcers and other gut diseases, often with depression as a comorbidity. Lead author Yeda Wu says the research supports a holistic approach to identifying and caring for patients with gastrointestinal diseases, noting, “As a medical student, I noticed how some patients’ gastrointestinal symptoms improved after psychotherapy or psychiatry treatment.”