A daily handful of nuts (about 1 ounce, or 20-25 almonds/15 walnut halves) is actually one of the more strongly evidence-backed dietary habits, with some genuinely notable effects: Heart health This is the best-studied benefit. Nuts are rich in unsaturated fats (mono- and polyunsaturated), which can lower LDL cholesterol when they replace saturated fats in your diet. Several large studies have linked regular nut consumption to lower rates of heart disease and cardiovascular death. Blood sugar...

Bananas offer a different but equally solid set of benefits if eaten daily. Here's what to expect: Potassium and blood pressure A medium banana has about 400-450mg of potassium, which helps counteract sodium's effect on blood pressure and supports healthy blood vessel function. This is one of the most well-established benefits. Digestive health Bananas contain both soluble and insoluble fiber (about 3g per medium banana), plus resistant starch — especially in slightly green ones. Resistant...

Eating an apple a day can support your health in several ways, though it's not quite the magic bullet the old saying suggests. Here's what the evidence actually points to: Fiber and digestionA medium apple has about 4-5 grams of fiber, including pectin (a soluble fiber). This feeds beneficial gut bacteria, helps regulate bowel movements, and can ease constipation. Heart health The soluble fiber in apples can help lower LDL ("bad") cholesterol slightly. Apples also contain polyphenols (plant...