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Body Composition

All articles tagged with #body composition

Experts warn extreme leanness harms health as body fat is redefined as vital organ
health11 days ago

Experts warn extreme leanness harms health as body fat is redefined as vital organ

Medical experts are challenging the cultural obsession with extreme leanness, arguing that body fat is a biologically active organ essential for hormone regulation, temperature control, and immune function. While excess fat carries known risks, insufficient fat triggers a 'starvation mode' that shuts down vital systems, leading to muscle loss, bone fragility, and reproductive issues. There is no universal ideal percentage, but healthy ranges typically fall between 10-20% for men and 20-29% for women. Accurate measurement is difficult, with DXA scans being the gold standard, while smart scales and skinfold tests often yield misleading results. Experts advise focusing on waist-to-height ratios rather than obsessing over specific fat percentages.

via bbc.com|
#anorexia-nervosa#body-composition#body-fat
Google's PhotoScan uses selfies to estimate body fat—more accurately than wearables
technology1 month ago

Google's PhotoScan uses selfies to estimate body fat—more accurately than wearables

Google Research’s PhotoScan uses AI to analyze 2D selfies to estimate body fat and body-fat ratios (A/G and V/S) with high accuracy, building on data from DXA scans and MRI. The approach reportedly surpasses wearable bioelectrical impedance analyses and could even help predict insulin resistance, though Google hasn’t announced a consumer product and privacy concerns about sharing photos remain a hurdle.

via Android Authority|
#ai#body-composition#google
DXA Scans Demystified: A Quick Check on Bones and Body Composition
health2 months ago

DXA Scans Demystified: A Quick Check on Bones and Body Composition

DXA (DEXA) scans use low‑dose X-ray beams to measure bone mineral density (primarily at the hip and spine) and can also assess body composition. They’re safe, quick (about 10–20 minutes), and recommended for women 65+ and men 70+ or anyone with risk factors to gauge osteoporosis risk and guide prevention. Routine scans aren’t usually needed for young people; if low density is found, strategies include weight‑bearing exercise, adequate calcium and vitamin D, avoiding smoking and excessive alcohol, and possibly medications. Pregnancy or recent contrast imaging can affect timing.

via The Guardian|
#body-composition#bone-density#bone-health
Wyze cuts price on BodyScan scale, still delivers full body composition breakdown under $80
tech3 months ago

Wyze cuts price on BodyScan scale, still delivers full body composition breakdown under $80

Wyze unveils a cheaper BodyScan smart scale at $79.98 with Bluetooth only (no Wi‑Fi) and a 4.7” LED display, but it retains eight electrodes and a retractable handle to deliver a detailed body composition (weight, BMI, fat, muscle, bone, water, visceral fat) and can auto‑recognize up to eight users; metrics can be exported as a PDF and synced to Apple Health/Google Fit.

via The Verge|
#body-composition#bodyscan#health-metrics
Free White House UFC Tickets Tied to Military Fitness Rules
politics4 months ago

Free White House UFC Tickets Tied to Military Fitness Rules

Senior Pentagon leaders are lining up uniformed service members to receive free tickets to a White House South Lawn UFC event hosted by President Trump, but eligibility hinges on meeting a waist-to-height ratio below 0.55 and service-specific fitness requirements. The move aligns with the Defense Department’s adoption of waist-to-height ratio as the new body composition standard for “warfighting readiness.” Officials say organizers want attendees who are genuine UFC fans and who are junior enlisted or junior officers, preferably from outside the DC area, though attendees must pay their own travel. The Pentagon declined to comment on the guidance, and past Trump troop appearances have been tied to optics and appearance.

via CNN|
#body-composition#defense-department#politics
GLP-1 Weight-Loss Drugs Mostly Shed Fat, Not Muscle, New Analysis Finds
health5 months ago

GLP-1 Weight-Loss Drugs Mostly Shed Fat, Not Muscle, New Analysis Finds

A meta-analysis of 36 studies on GLP-1 and dual GLP-1/GIP agonists for weight loss shows participants lose about 9% of body weight within 3 months, with significant reductions in visceral fat and fat mass by 12 months. Lean body mass loss is present but relatively modest, suggesting muscle loss may be less of a concern than once feared. Experts emphasize maintaining protein intake and engaging in resistance and aerobic exercise to preserve muscle during GLP-1 therapy.

via Medical News Today|
#body-composition#glp-1#health
Women and Men See Similar Muscle Gains from Training
health5 months ago

Women and Men See Similar Muscle Gains from Training

Contrary to the misconception, women can gain muscle at roughly the same relative rate as men with resistance training; testosterone explains some baseline differences in muscle mass, but with training both sexes show similar percentage gains, while women typically maintain a higher fat-to-muscle ratio and extremely low body fat can disrupt hormones and fertility.

via The Guardian|
#body-composition#health#muscle-building
HIIT Could Help Seniors Trim Fat Without Losing Muscle
health8 months ago

HIIT Could Help Seniors Trim Fat Without Losing Muscle

Australian researchers followed over 120 healthy older adults (average age ~72) for six months and found that high‑intensity interval training (HIIT) reduced fat while preserving lean muscle mass, whereas moderate- and low‑intensity workouts also cut fat but were associated with small or unclear muscle loss. The findings suggest exercise intensity is key for aging body composition, though results apply to healthy individuals and HIIT may not suit everyone; medical or trainer guidance is advised before starting such a regimen.

via MedicalNewsToday|
#body-composition#exercise-intensity#health
Does Fasted Exercise Boost Fat Loss? Scientific Insights
health-and-fitness1 year ago

Does Fasted Exercise Boost Fat Loss? Scientific Insights

Research shows that fasted workouts do not lead to greater long-term fat loss or muscle gains compared to fed workouts, and short-term fat burning during exercise does not necessarily translate into overall fat loss. The decision to exercise fasted or not should depend on personal preference and how it affects your performance and well-being, rather than on unsupported claims of superior fat burning.

via ScienceAlert|
#body-composition#exercise-science#fasted-exercise
The Truth About Fasted Cardio and Fat Loss
health-and-fitness1 year ago

The Truth About Fasted Cardio and Fat Loss

Fasted exercise, or working out before eating, is popular for fat loss claims, but research shows it doesn't lead to long-term weight loss or body composition benefits compared to exercising after eating. While fasted workouts burn more fat during the activity, the body compensates over time, resulting in no significant long-term differences. Eating before exercise can improve performance and may aid in weight management, but the timing of meals around workouts has limited impact on results. Overall, the most important factor is simply exercising regularly, regardless of fasting or meal timing.

via The Conversation|
#body-composition#exercise-timing#fasted-exercise