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Antibiotics can sometimes weaken your immune system's ability to fight off infection.

Antibiotics can have adverse effects on your immune system

Antibiotics can weaken your immune system's ability to fight off infection, and are widely overprescribed and often unnecessary. Here's why.
Ventilators move air into and out of the lungs through a breathing tube.

What is a ventilator? How the breathing machine can save lives

Ventilators can assist with lung function for those with severe respiratory infections, and it's often necessary in the ICU. Here's why.
Respirators, like the N95 face masks, are necessary to protect health care workers from illness.

How respirators work, and who needs to wear a face mask

Respirators, like the N95 face masks, help prevent the spread of infectious particles — and are most necessary for health care workers.
Hand sanitizer is a great way to keep your hands clean when soap and water are not available.

Does hand sanitizer work? Yes, but it’s important to understand its limitations

Don't toss your bottle of hand sanitizer just because it doesn't kill 100% of germs. Here's how sanitizer compares to soap and when best to use it.
You can eat plain white rice on a low residue diet.

What is a low residue diet and what you can eat on it

A low residue diet is meant to help you recover from diarrhea and other digestive issues. Here's what you can and cannot eat on it.
Sleeping on your back with an extra pillow is the best way to drain a stuffy nose at night.

How to get better sleep with a stuffy nose in 3 different ways

To sleep with a stuffy nose, you should lie on your back with an extra pillow, use a humidifier for moist air, and consider taking medication.
Your cold will likely last for a week or so, but you generally won't need to see a doctor.

How long a cold typically lasts and when you should see a doctor

A common cold virus lasts about 7 to 10 days, and you generally won't need to see a doctor. Here's what you need to know about the cold.
You can disinfect a sponge in the microwave or in the dishwasher.

How to clean a sponge so that it is free from germs and viruses

Sponges carry a number of germs. Some of the best methods of disinfection are using a microwave or putting the sponge in the dishwasher.
Colloidal silver has no proven health benefits, and many known undesirable side effects.

Colloidal silver is not safe to consume or apply to your skin

Colloidal silver is not safe and has no proven health benefits as a dietary supplement or beauty product. Here's what you need to know.
Live video conferencing allows you to speak to your doctor even if you are at home.

What is telehealth? The applications of digital medical care

Telehealth encompasses a number of digital medical care applications. It can allow patients to have live video conferences with their doctor.