Myth Examination

Is the Mustard-on-Broccoli Trick Actually Doing Anything for Your Health?

Ground brown mustard seed increased a sulforaphane-related urinary marker after cooked broccoli in a small trial, without proving a health benefit.

What Would Actually Count as Evidence That Your Muscles Are Growing?

Muscle growth means lasting increases in muscle size, which workout sensations or an unchanged reflection cannot establish on their own.

If Going Downstairs Feels Easy, What Are Your Legs Doing?

Going downstairs asks the legs to brake the body as it lowers, even when controlled stepping tests show lower oxygen use than climbing.

When Almond Butter Is Just Almonds, Does Your Body Get the Same Calories?

Whole almonds yielded less metabolizable energy than pure almond butter in a small feeding trial, with access to fat a plausible explanation.

Can Two Full-Body Lifting Sessions a Week Build Strength and Muscle?

Can two full-body lifting sessions build strength and muscle? Compare weekly schedules, training per muscle and what the research actually measured.

Does Lactic Acid Cause Muscle Fatigue? What Lactate, Acidity, and Other Changes Contribute

Lactate does not directly explain muscle acidity or all exercise fatigue, which reflects several interacting changes that depend on the task.

Can the 3,500-Calorie Rule Predict When You’ll Reach Your Goal Weight?

The 3,500-calorie rule assumes a fixed rate of weight loss, but changing energy needs make a straight-line forecast unreliable over time.

Water-Soluble Vitamins: Why “You’ll Just Pee Out the Extra” Is Too Simple

Water-soluble vitamins differ in absorption and storage, so urinary excretion does not guarantee that excess supplement doses are harmless.

The 10% Running Rule Sounds Safe, but Does the Evidence Support It?

The 10% running rule cannot guarantee injury prevention, and evidence about single-run distance increases does not establish a safe weekly mileage rule.