BMJ Group Mar 12 2025 Water/aqua aerobics for 10 or more weeks at a time can trim waist size and aid weight loss, finds a pooled data analysis of the available evidence, published in the open access journal  BMJ Open. This type of exercise is particularly effective in overweight/obese women and the over 45s, the analysis indicates. Global estimates for 2022 indicate that more than 43% of adults worldwide were overweight, and that 504 million women and 374 million men were obese, note the