Poison oak, poison ivy, and poison sumac are plants that can cause skin rashes. Here's what you need to know about recognizing these plants, how they cause a reaction, and preventive steps you can take to protect yourself.

Food poisoning is usually caused by how food is prepared or stored. Germs (bacteria) can grow in food if it is not handled right. Germs can also grow on any surface, including cutting boards and sponges.

Rest your back for a day or two to begin healing. Use a firm mattress or the floor. Have your lower back firmly supported with a small pillow or towel. Keep your knees slightly bent, with another pillow under them. Every few hours, get up and walk as much as you can.

To test your nutrition knowledge, answer the questions below as either True or False.

Vitamin E has more than one form. The natural ones are found in fats and oils. Synthetic versions also exist. The vitamin E compound that is most useful in the body is called alpha-tocopherol. This is also the most common form of vitamin E. It can occur naturally or be synthetic.

Iron helps the blood cells carry oxygen. When you don't get enough iron, you may feel tired and lack energy. Anemia ("tired" blood) is a health problem that can occur when the body's iron levels are very low. Our bodies don't make iron, so we must get it from foods or supplements.

Neck dissection is a type of surgery. It helps treat cancers of the head and neck.

When an organ like the brain doesn’t get enough oxygen, the condition is called hypoxia. A complete lack of oxygen to an organ is referred to as anoxia. Learn about their causes, symptoms, and treatment.

If conversations about mental health are new to you, it can be hard to know what you need help with. Read about some resources and things you can do to get help.

COVID-19 is caused by a coronavirus called SARS-CoV-2 that spreads easily from person to person. COVID-19 vaccine can prevent COVID-19 disease. Vaccination can help reduce the severity of COVID-19 disease if you get sick.