Health
143 most-searched questions — answered clearly, no padding.
How to lose weight?
Lose weight by creating a calorie deficit — consuming fewer calories than you burn. A 500-calorie daily deficit equals roughly 1 lb of fat loss per week. Consult a healthcare professional before making major changes.
How to lower cholesterol?
Lower LDL cholesterol by cutting saturated fat, adding soluble fiber, and exercising regularly. These changes can reduce LDL by 10–20% within 3 months. Always consult your doctor.
How many calories should I eat per day?
The average adult needs 1,600–3,000 calories per day depending on sex, size, age, and activity level. Calculate your personal TDEE (Total Daily Energy Expenditure) for an accurate target. Consult a registered dietitian for personalized guidance.
How to sleep better?
Consistent sleep and wake time — even on weekends — is the single most powerful intervention for sleep quality. Pair it with a cool (65–68°F), dark room and no screens 30 minutes before bed.
How to calculate BMI?
BMI = weight (lbs) × 703 ÷ height (inches)². In metric: weight (kg) ÷ height (m)². The normal range is 18.5–24.9. Note that BMI doesn't directly measure body fat and has real limitations.
How to lose belly fat?
You cannot spot-reduce belly fat — there's no exercise or food that targets it specifically. A calorie deficit + resistance training + adequate sleep reduces overall body fat, including belly fat, over time.
How long does it take to walk a mile?
An average adult walks a mile in 15–20 minutes at a comfortable pace (3–3.5 mph). Brisk walking (4 mph) takes about 15 minutes. Slow walking (2 mph) takes about 30 minutes.
How to lower blood pressure?
Reducing sodium intake, exercising 150 minutes per week, and managing stress can lower blood pressure by 5–15 mmHg without medication — but always work with your doctor on a treatment plan.
What is intermittent fasting?
Intermittent fasting (IF) means cycling between set eating and fasting periods — the most popular is 16:8, where you eat within an 8-hour window and fast for 16 hours.
How to quit smoking?
The most effective approach combines nicotine replacement therapy (NRT) — patches, gum, or lozenges — with behavioral support or prescription medication like varenicline (Chantix).
How to reduce stress?
Regular aerobic exercise, diaphragmatic breathing, and adequate sleep are the three most evidence-backed stress reducers — 30 minutes of exercise can lower cortisol for up to 24 hours.
How to get rid of a headache?
Drink 2 glasses of water and take an OTC pain reliever (ibuprofen or acetaminophen) at the first sign of pain — dehydration causes up to 10% of headaches and is often the simplest fix.
How to boost your immune system?
The most evidence-backed immune supports are 7–9 hours of sleep, regular exercise, and a diet rich in vegetables and fruit — most supplements have weak evidence outside treating an actual deficiency.
How to stop snoring?
Sleeping on your side instead of your back stops snoring for many people — positional change is the most immediate fix with zero cost or equipment required.
How to deal with anxiety?
Diaphragmatic breathing (4-7-8 or box breathing) activates the parasympathetic nervous system and reduces acute anxiety within minutes; long-term management relies on CBT, regular exercise, and sleep.
How to meditate for beginners?
Start with 5 minutes of focused breathing — sit comfortably, close your eyes, breathe naturally, and gently return attention to your breath every time your mind wanders. The returning is the practice.
How long does COVID-19 last?
Most mild COVID-19 cases last 5–7 days, with peak symptoms around days 2–4. The CDC recommends isolating for at least 5 days after symptoms start or a positive test.