News
What changed this week in training, nutrition and wellness: the studies, the guidelines, the launches and the results, each one traced to its source.
Night-to-Night Sleep Variability Tracked With Heart Disease While Average Hours Did Not
by LiveWell Wave ·A 10,362-person All of Us cohort linked night-to-night swings in sleep length to heart disease while average hours showed no association. Where the AASM 7-hour guideline stands.
A 56:51 Half Marathon Is Now Official, Along With Three More World Records
by LiveWell Wave ·World Athletics ratified Yomif Kejelcha's 56:51 half marathon, Josh Kerr's 3:42.66 mile and hurdles records for Alison dos Santos and Masai Russell on November 9, 2026.
A UK Model Puts Numbers on the Iodine Cost of Dropping Dairy
by LiveWell Wave ·A Lancet Planetary Health modeling study finds that replacing dairy with unfortified plant-based alternatives lowers iodine, calcium, riboflavin and B12 intake.
In 130 Spin Classes, Heart Rate Ran Near 94 Percent of Max While Power Stayed Around 115 Watts
by LiveWell Wave ·A University of León study of 11 trained men across 130 indoor cycling classes found heart rate near 81 to 94 percent of max while power averaged 110 to 120 watts.
Coffee Drinkers Carried a Richer Gut Microbiome in a Capsule Study
by LiveWell Wave ·A University of Copenhagen capsule study of 61 adults links regular coffee drinking to richer gut bacteria, more colon contractions and a lower small intestine pH.
Lifting Three Times a Week Kept 2.4 Pounds of Lean Mass in a 40-Week Tirzepatide Trial
by LiveWell Wave ·In a Nature Medicine trial of 120 adults, supervised lifting during tirzepatide treatment reduced lean soft tissue loss by about 1.1 kg and turned strength losses into gains.
Less Protein, Slower Aging? A Wisconsin Review Makes the Case, Mostly in Mice
by LiveWell Wave ·A Cell Press Blue review links protein restriction to longer life in lab animals and better metabolic markers in short human trials, set against the RDA and sports guidance.
HYROX Joins World Triathlon and Puts Its Workouts Inside Gym Apps
by LiveWell Wave ·HYROX signed a term sheet with World Triathlon on October 28, 2026 and listed HYROX Training+, an in-gym-app training product. What changes, and what a HYROX race is.
American Cancer Society Now Recommends a PSA Test Every Two Years From 50 to 69
by LiveWell Wave ·The American Cancer Society's Nov 12, 2026 guideline recommends PSA testing every two years at 50 to 69, and yearly from 45 for Black men and strong family history.
FDA Narrows the Boxed Warning on Three More Estradiol Patches
by LiveWell Wave ·The FDA's list of menopause hormone therapies with revised labels grew to nine on Oct 30, 2026, adding Minivelle, Vivelle and Vivelle-Dot. What changed and what did not.
On Full Assist, an E-Bike Ride Delivered 47 Percent Less Exercise Than Pedaling
by LiveWell Wave ·A ten-person randomized crossover trial measured 37.4 kcal of activity energy on maximum assist versus 70.7 unassisted over two miles. Moderate assist matched a regular bike.
A 23-Man Study Tied One Month of an 8-Hour Eating Window to a Lower MRI Brain Age Estimate
by LiveWell Wave ·Frontiers in Aging: 23 men with metabolic syndrome ate within an 8 a.m. to 4 p.m. window for one month; brain age estimate fell 0.76 years. No control group.
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