The pineal gland produces several hormones. One of these, melatonin, helps regulate the body’s internal clock, including the sleep-wake cycle. The pineal gland may also help regulate female hormone ...

A salivary gland infection can develop when harmful bacteria or viruses build up in the salivary glands. These are located in the head and neck and produce saliva. It typically causes swollen salivary ...

Salivary gland disorders happen when something blocks one or more of the salivary glands, preventing them from producing or releasing saliva. Conditions that can cause problems with the salivary ...

People may have salivary gland surgery to remove part or all of the salivary gland. Its primary purpose is to remove tumors, but it can also help treat infections and inflammation. A person has three ...