In this issue: Differences between COVID-19, cold, allergies and flu, cholesterol level, pregnancy stretches, liver biopsy and more

Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.

Mayo Clinic is ranked #1 in the nation. Housecall VOL. 20, ISSUE 87

COVID-19, cold, allergies and the flu What are the differences? COVID-19, cold, allergies and the flu What are the differences? Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses. Read more

Cholesterol level: Can it be too low? A high cholesterol level is unhealthy — rarely, very low cholesterol may pose risks, too. Read more › Advertisement Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Advertising & Sponsorship Policy | Opportunities | Ad Choices High-frequency hearing loss: Can hearing aids help? Today's hearing aids are effective for all types of hearing loss — including high-frequency hearing loss. Read more › Tetanus shots: Is it risky to receive 'extra' boosters? For adults, tetanus shots are recommended every 10 years. Read more ›

ADDITIONAL HIGHLIGHTS Limit asthma attacks caused by colds or flu Toxic cellular ooze Liver biopsy

Mayo Clinic on High Blood Pressure Simple, effective steps, to understanding and controlling high blood pressure. Learn more

HEALTHY TIPS & RECIPES Pregnancy stretches Know how to relieve aches and pains as your pregnancy progresses. Read more Pregnancy stretches Know how to relieve aches and pains as your pregnancy progresses. Read more Dandruff: Say goodbye to flakes Is dandruff the only thing standing between you and a closet full of basic black? Follow these tips to keep dandruff under control. Learn more Dandruff: Say goodbye to flakes Is dandruff the only thing standing between you and a closet full of basic black? Follow these tips to keep dandruff under control. Learn more Trusted health tools Use these simple calculators and self-assessments for personalized health tips. BMI Calculator | Calorie Calculator Trusted health tools Use these simple calculators and self-assessments for personalized health tips. BMI Calculator | Calorie Calculator Symptom checker Use our Symptom Checker to explore possible causes of your symptoms based upon Mayo Clinic's patient care experience. Check symptoms Symptom checker Use our Symptom Checker to explore possible causes of your symptoms based upon Mayo Clinic's patient care experience. Check symptoms Lemon cheesecake Lemon zest is full of essential oils that contribute lively flavor and aroma to this recipe. See recipe New England trifle Trifle typically consists of sponge cake, sherry, jam, custard and whipped cream. This lighter version uses fresh fruit, fat-free pudding and nondairy whipped topping. See recipe

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