A common heart rhythm disorder
A new analysis from the American Heart Association finds that most adults can safely consume up to five 8‑ounce cups of black caffeinated coffee daily. This level may lower risks of stroke, heart failure and heart disease, while higher doses—especially from energy drinks—pose cardiovascular risks. Effects vary by individual.
Prime Day discounts have slashed prices on Apple Watch SE 3, Series 11, and Ultra 3. The SE 3 gains major upgrades, while the Series 11 and Ultra 3 offer advanced health features and outdoor durability. Deals vary by model, with continued price drops through the event.