One of the most famous nutrition books globally is Eat, Drink, and Be Healthy by Dr. Walter Willett, Chair of Nutrition at Harvard School of Public Health. It offers science-backed dietary advice and corrects common myths from outdated food pyramids.
Olive oil – a source of healthy monounsaturated fats that protect the heart.
Whole grains – like brown rice, oats, and quinoa, which improve digestion and lower diabetes risk.
Nuts – almonds, walnuts, and peanuts, rich in protein and good fats.
Fruits – especially berries and apples, packed with antioxidants and fiber.
Vegetables – leafy greens and cruciferous veggies such as broccoli and cauliflower, full of vitamins and protective compounds.
Legumes – beans, lentils, and peas, excellent for fiber and plant-based protein.
Fatty fish – salmon, sardines, and mackerel, which provide omega-3s for heart and brain health.
Low-glycemic foods – sweet potatoes and whole fruits that help stabilize blood sugar.
Water and tea – hydration without added sugars; green tea adds antioxidants.
Dark chocolate (in moderation) – contains flavonoids that support cardiovascular health.
SOURCE: Eat, Drink, and Be Healthy by Dr. Walter Willett

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