Edgar Alvarez

Researched sleep and cognition in a university lab before moving to science writing. Covers rest, focus, and habits.

Articles by Edgar Alvarez

Latest Posts

Nutrition

Astringent Taste from Flavanols May Boost Brain Activity

Astringency refers to that distinctive dry, puckering sensation, often described as rough or sandpaper-like, which individuals experience when consuming foods abundant in specific plant-based substances known as polyphenols. Among these polyphenols are flavanols, compounds that have been extensively associated with a reduced risk of cardiovascular diseases. These flavanols are particularly prevalent in sources like cocoa, […]

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Fitness

Bench Press Guide for Beginners: Build Strength Safely

The bench press stands as one of the most recognized exercises for measuring upper body power in fitness circles. The common query about lifting capacity almost always points to this movement. Whether enthusiasts embrace or avoid it, the bench press serves as a standard benchmark for gauging strengt

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Science

COVID Vaccines Prevented 2.5M Deaths Worldwide, One Per 5,400 Doses

A comprehensive global evaluation demonstrates that COVID-19 vaccines proved to be a pivotal intervention, rescuing millions of lives predominantly among older adults, with the most substantial effects observed during the Omicron variant’s dominance. Credit: Shutterstock Over the timeframe from 2020 to 2024, immunizations targeting SARS-CoV-2 successfully averted 2.533 million fatalities on a worldwide scale, achieving […]

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Fitness

John Hansen’s Training Tweaks for Masters 60+ Victory

During Episode 272 of The Menace Podcast, host Dennis James welcomed Chris Cormier, Milos Sarcev, and a special guest, John Hansen. The veteran bodybuilder shared the significant adjustments he implemented in his training regimen as an older competitor to secure a prestigious Masters trophy in his age category. Who Is John Hansen? John Hansen embarked […]

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Science

Hemochromatosis: Iron Overload Signs, Organ Harm, Phlebotomy Therapy

Hemochromatosis, a condition involving excessive iron buildup, represents a serious metabolic disorder where the body absorbs far more iron from food sources than it requires, resulting in a progressive accumulation within various organs and tissues throughout the system. Without appropriate medical intervention, this surplus iron can inflict substantial harm on critical organs, potentially leading to […]

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Self Care

Top Ingredients for Effective Acne Facial Cleansers

Best Ingredients to Look for in Acne Facial Cleansers Selecting the right ingredients in an acne facial cleanser can be challenging for many individuals dealing with breakouts. The most effective options typically include salicylic acid, glycolic acid, or benzoyl peroxide. For those experiencing the yeast-related form of acne known as Pityrosporum folliculitis, it is advisable […]

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Nutrition

Hidden Fat Locations Shrinking Brain Volume

The impact of obesity on brain function might extend beyond mere total body mass. A recent investigation, released on January 27 in Radiology, the premier publication from the Radiological Society of North America (RSNA), indicates that the precise positioning of fat deposits within the body significantly influences brain integrity and cognitive performance. This research was […]

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Fitness

Zeus vs Deliverance Pre-Workout: Choosing the Ideal Option

Initial AssessmentIn summary, Zeus delivers a more joyful and uplifting sensation overall. Deliverance provides a more intense, forceful drive that pushes users straight into their training sessions with greater immediacy and determination.When it comes to enhancing mood, Zeus stands out with its ch

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Science

Fentanyl and Stimulant Overdoses Surge 9000% in Seniors

Fatal overdoses among adults aged 65 and older that involve fentanyl combined with stimulants such as cocaine and methamphetamines have increased dramatically over the past eight years, rising by an astonishing 9,000 percent. The current rate among this older population now closely matches the rates

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