Dr Aman

10 Sleep Myths That Are Making You Sleep Worse

Sleep advice is everywhere – and much of it is wrong. The myths about sleep are particularly persistent because they often feel intuitive, have been repeated for decades, and are reinforced by the same culture of productivity and performance that treats sleep deprivation as a badge of efficiency. Here are ten of the most common […]

Can You “Boost” Your Immune System? What That Phrase Actually Means – and What the Evidence Shows

“Immune-boosting” is one of the most commercially successful phrases in wellness marketing. It appears on supplements, teas, gummies, juices, foods, and lifestyle products. It’s also, as a concept, almost entirely meaningless – and understanding why reveals something important about how the immune system actually works and what genuinely supports it. The Problem With “Boosting” Immunity […]

Cardiovascular Risk Explained: How Doctors Actually Calculate Your Heart Disease Risk – and What the Number Means

When a doctor tells you your cholesterol is “fine” or recommends starting a statin, or says your blood pressure is “something to watch,” they’re making judgments based on more than a single number. They’re thinking about cardiovascular risk – the probability that you’ll have a heart attack or stroke within a defined time window, given […]

Sleep and Health: What Actually Happens to Your Body When You Don’t Sleep Enough

Sleep is the one health behavior that people most readily sacrifice – to work more, scroll longer, fit in one more episode, or simply because life demands it. It’s also the one health behavior with consequences that are most consistently underestimated. The research on sleep deprivation is blunt. Sleeping less than 7 hours per night […]

BMI: What It Measures, What It Gets Wrong, and What to Use Instead

BMI – body mass index – is the most widely used measure of body size in medicine and public health. It’s on your medical records, it’s used to classify obesity and health risk in clinical guidelines, and it’s the basis of most large-scale epidemiological research on body weight and health. It’s also one of the […]

Preventive Health Screenings: What to Get, When, and Why – A Complete Adult Guide

Most people interact with the healthcare system reactively – when something hurts, when a symptom appears, when a crisis develops. Preventive screening turns that model around. It looks for problems before symptoms develop, at a stage when intervention is most effective and damage is most reversible. The evidence for screening is not uniform across all […]

Metabolic Health Explained: The Five Numbers That Actually Predict Long-Term Disease Risk

Most people think about health in terms of how they feel. Metabolic health works differently – it’s about what’s happening inside the body’s fundamental regulatory systems, most of which produce no symptoms until they’ve been disrupted for years. By the time metabolic dysfunction starts to feel like something, significant physiological groundwork for chronic disease has […]

Fiber Explained: Why Most Americans Don’t Get Enough and What It Actually Does in the Body

Fiber is arguably the most under-consumed nutrient in the American diet – and arguably the one with the broadest and most consistent health benefits. Yet it’s also one of the most overlooked in mainstream nutrition conversation, which tends to focus on macronutrients (protein, fat, carbohydrates) and specific micronutrients while fiber gets a brief mention and […]

Dietary Fat Explained: Saturated, Unsaturated, and What Actually Matters for Your Health

For about four decades, fat was the enemy. The low-fat dietary guidelines that dominated from the 1980s onward reshaped the American food supply, replacing fat with refined carbohydrates in thousands of products – producing foods that were lower in fat but not necessarily healthier. Meanwhile, the evidence on fat was evolving in a more complicated […]

Ultra-Processed Foods: What the Research Actually Shows – and Why “Processed” Isn’t the Same as “Bad”

The term “ultra-processed” has moved from academic nutrition science into mainstream health conversation faster than almost any other dietary concept in recent years. It shows up in news headlines, government dietary guidelines, and wellness content – often without a clear explanation of what it actually means, or why the distinction between processed and ultra-processed matters […]