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“Exercise intensity is defined as how hard the body works during exercise. During low-intensity aerobic exercise, a person's heart rate is typically maintained at a steady pace of about 50 percent of its maximum ability, and workouts last for at least 30 minutes.”

“Participants were randomly assigned to one of two 12-week programs: brief intermittent intense exercise, which combined walking with repeated 30-second high-intensity sprints, or progressive muscle relaxation, a standard relaxation technique that teaches people to tense and release different muscle groups.”

“By comparing identical twins, who share nearly all their genes, with fraternal twins, who share about half, the team could estimate how much of the link between cannabis use and sleep was due to genetic influences.”

“After five years, mortality remained low across all groups, yet fitness and quality of life tended to be greatest in the high-intensity training group: After accounting for age and other factors, the high-intensity group had roughly 37 percent lower risk of death than the control group, while the moderate group had about 24 percent higher risk.”

“Interventions were ketogenic-style diets high in fat, moderate in protein, and limited to no more than 25% of calories from carbohydrate or under 50 grams per day, compared with control diets in randomized trials or with each participant's own baseline diet.”

“Future studies that track individual language histories and test whether multilingual experience also dampens age gaps in people with neurodegenerative diseases or in intervention trials will be essential to determine how best to translate these population-level findings into practical recommendations.”

“Current public health guidelines recommend that children between the ages of two and 19 years limit their intake of added sugars to less than 10 percent of their total daily calories – roughly 12 teaspoons per day.”

“The study investigators collected cerebrospinal fluid samples before and after the intervention to measure several biomarkers associated with neurodegenerative diseases and inflammation, including amyloid beta proteins, tau, interleukin 6, chitinase-3-like protein 1 (YKL-40), and neurofilament light (NfL).”

“On one day, participants consumed a standardized meal at home at 7 p.m., reported to the laboratory at 9 p.m., and were not permitted to sleep until 7 a.m. During the night, participants were allowed to engage in quiet activities and eat low-protein fruits and vegetables as snacks.”

“In light of the fact that we now know the body's immune system is afforded direct access to the brain via a network of lymphatic vessels in the meninges, it puts managing systemic inflammation in a whole new light.”