The stress of illness or injury can cause blood sugar to rise and make insulin less effective. This can lead to serious problems, including diabetic coma. That's why it's important to know what to do when illness strikes.

If you have diabetes, wearing a medical identification (ID) bracelet or necklace at all times is a good idea.

Any trip needs advance planning so you can be comfortable and lower your risk for worsening symptoms.

This test is used to find out how well your lungs are working. Read on to learn what to expect.

Diabetes affects every part of your life, and it can create problems that aren't easy to talk about with your healthcare provider.

Asthma is a long-term (chronic) lung disease where the airways become inflamed. Here's what you need to know.

Oral corticosteroids help to reduce swelling and mucus production in the airways. Here's what you need to know.

Medicines play a key role in controlling asthma. Some help to prevent symptoms. Others are used to treat symptoms.

Inhaled corticosteroids are safe for long-term use for most people. They are not the steroids that you hear about athletes abusing.

The CDC advises that people with asthma get certain vaccines. Here's what you need to know.