Consumer health basics
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Video: How to use a single-dose dry powder inhaler
Watch these step-by-step instructions for using a single-dose dry powder inhaler.
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Video: How to use a dry powder disk inhaler
Watch these step-by-step instructions for using a dry powder disk inhaler.
Video: Endovenous thermal ablation
Video showing endovenous thermal ablation procedure to treat varicose veins.
Video: Keratoconus
Scleral contact lenses may be an alternative to surgery for many patients with keratoconus.
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
COVID-19 variants: What's the concern?
The virus that causes COVID-19 has changed over time, which has affected prevention, diagnosis and treatment of COVID-19.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
Bleeding during pregnancy
Learn what may cause vaginal bleeding during pregnancy and when you should see a doctor about it.
Vaginal bleeding after sex
This symptom might not require a checkup. But if you've gone through menopause, contact your health care team to find out the cause of bleeding from the vagina.
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