Colorectal Cancer Most people who have colorectal cancer are older than 50. This type of cancer is also associated with a diet high in fat and calories and low in fiber. Constipation Constipation is a condition in which a person has uncomfortable or infrequent bowel movements. Generally, a person is considered to be constipated when bowel movements result in passage of small amounts of hard, dry stool. Chronic Obstructive Pulmonary Disease Chronic bronchitis and emphysema are the two most common conditions of COPD. Chronic Pain Chronic pain is longstanding pain that persists beyond the usual recovery period or occurs along with a chronic health condition, such as arthritis. Dehydration and Heat Stroke Dehydration and heat stroke are two very common heat-related diseases that can be life threatening if left untreated. Gastroesophageal Reflux Disease (GERD)/Heartburn Gastroesophageal reflux is the return of acidic stomach juices, or food and fluids, back up into the esophagus. Gout Gout is marked by inflamed, painful joints because of the formation of crystal deposits in them. Hemorrhoids Hemorrhoids are blood vessels normally present in and around the anus and lower rectum that have become swollen because of stretching under pressure. Hemorrhoids are very common in both men and women. Hypothermia Hypothermia is an abnormally low body temperature brought on by staying in cold temperatures for a long period of time. This lowered body temperature affects the brain, thus affecting a person's ability to think clearly or move well. Indigestion Although indigestion may be the result of a disease or an ulcer in the digestive tract, most often it is caused by eating too much, eating too quickly, eating high-fat foods, or eating during stressful situations. Influenza (Flu) How do you know if you have the flu? Symptoms: abrupt onset of fever, muscle aches, sore throat, and a nonproductive cough. Pneumonia Pneumonia is a serious inflammation of the lungs in which the air sacs fill with pus and other liquid. Shingles (Herpes Zoster) Shingles, or herpes zoster, is a common viral infection of the nerves, which results in a painful rash or small blisters on an area of skin anywhere on the body. Tracheal Tumor A tracheal tumor is an abnormal growth that forms in your trachea, or windpipe. Vestibular Balance Disorder Dizziness and vertigo are classic symptoms of a vestibular balance disorder. Balance disorders can strike at any age but are most common as people get older.