Long COVID, Crocodiles, Linking Exercise with Appetite

1 in 5 U.S. Adults Who Got COVID-19 Now Have Long COVID, Data Find

About 7.5% of U.S. adults—roughly 20 million people—are currently living with Long COVID symptoms, according to new federal data from the National Center for Health Statistics (NCHS).

That finding, drawn from the Household Pulse Survey run in partnership with the U.S. Census Bureau, is based on self-reported data from about 62,000 U.S. adults surveyed in June. More than 40% of respondents said they’d previously had COVID-19. And about one in five of those individuals said they still had Long COVID symptoms, defined as new health issues—like fatigue, cognitive issues, difficulty breathing, chest pain, and more—lasting at least three months after infection.

Could CROCODILES hold the secret to humans living until they're 150?

Experts believe fearsome reptiles may harbour lifespan-expanding cluesOver 100 scientists examined data from 77 species of reptiles and amphibians
They found those with biological defenses were able to develop long lifespans
Pinpointing long living species could help scientists extend human longevity

N-lactoyl-phenylalanine as a Link Between Exercise and Appetite Regulation
Exercise helps to downregulate appetite, among its many other beneficial outcomes. Researchers here point to raised levels of N-lactoyl-phenylalanine as an important part of this connection, one of a family of compounds formed as a result of exercise. In the present environment of prevalent obesity, a sizable amount of research into the biochemistry of exercise is directed towards its effects on consumption of food.

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Exploring the Link Between Circadian Rhythms, Longevity, and Wearable Data: Insights and Future Directions

A recent study in NHANES 2011–2014 explores the potential connection between disruptions in circadian rhythms, measured using wearable devices, and their impact on health outcomes and longevity. The study analyzes data from 7,297 U.S. adults collected through wearable accelerometers as a novel digital biomarker for longevity. Five distinct clusters were identified based on activity profiles: "High activity," "Low activity," "Mild circadian rhythm (CR) disruption," "Severe CR disruption," and "Very low activity." The findings reveal that young adults with extreme circadian rhythm disturbance exhibit higher white blood cell counts and accelerated biological aging. Older adults with circadian disruption are associated with increased systemic inflammation indexes, advanced biological aging, and higher all-cause mortality risk. The research underscores the importance of circadian alignment for longevity at all ages and suggests that wearable

The safety of aspartame is under review by WHO after conflicting findings.

Aspartame, a sweetener with health effects Since 1981, the WHO expert committee on additives has confirmed the safety of aspartame consumption within acceptable daily limits. The international organization has established that the acceptable daily intake (ADI) of aspartame is 40 milligrams per kilogram of body weight. This means that a person can consume up to 40 mg of aspartame per kilogram of their body weight per day without risking their health. For example, if someone weighs 60 kilos, the allowable amount of aspartame would be 2,400 milligrams (40 mg/kg x 60 kg). In recent years, several studies have been carried out on the effects of aspartame on health. The Food and Drug Administration (FDA) has reviewed the scientific evidence related to the safety of this sweetener five times since its approval in 1981, and has concluded that it remains safe for use. However, it is being studied again. It has an especially important use in low-calorie beverages consumed by children and pregnan

Light Therapy holds promise as a treatment for Alzheimer's Disease

A new article, conducted by Lili Zang and colleagues from Weifang Medical University School of Nursing in Shandong Province, China, discusses a meta-analysis of 15 high-quality trials that investigated the impact of light therapy on individuals with Alzheimer’s disease (AD). The meta-analysis included 598 patients with mild to moderate Alzheimer’s disease, and it covered 15 randomized controlled trials conducted in seven different countries. Those trials were published between 2005 and 2022. Sleep Improvement Light therapy led to significant improvements in several sleep measures. It notably enhanced sleep efficiency, increased interdaily stability, and reduced intradaily variability, all of which are indicators of better sleep quality. Light therapy was associated with a reduction in agitation, depression, and caregiver burden among individuals with Alzheimer’s disease. A significant advantage over usual care was shown in reducing the severity of psychobehavioral symptoms, as assessed

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