Please choose the correct ending to complete the given sentence: Health: [header] How to age gracefully [title] Wear sunscreen. [step] All the time. You've heard it so many times that it seems clichéd, but it's true: protecting your skin from the sun is absolutely essential to looking and feeling good as you get older.

Ending1: This applies to both uva and uvb rays. If you want to be truly fashionable, you need to consume at least 6 hours of sun exposure each day. Ending2: Use a broad broad-spectrum sunscreen with at least spf 15 or higher. Avoid using an umbrella if you'll be exposed to harsh sunlight. Ending3: You can actually reduce some of the times you are outside in the sun, such as the morning or afternoon sun, to apply more sunscreen. This will keep your body from looking oily. Ending4: Studies have shown that roughly 90% of skin problems associated with aging (wrinkles, blotchiness, dryness, sagging) are cause by sun damage. Apply sunscreen every single day, even when it's overcast and cloudy.

Answer format: ending1/ending2/ending3/ending4