It typically is caused by the constriction of blood vessels, which in turn forces your heart to pump harder to circulate the blood. American Heart Association. Many problems besides the common cold can affect the nose. A genetic disease is caused by a mutation in DNA and can be divided into 4 major groups: Single-gene mutation; Multiple genes mutations; Chromosomal changes and mitochondrial mutations. These diseases are transmitted almost exclusively via sexual contact. Harvard Health Publishing. Preventing the spread of animal diseases to humans. American Heart Association. Find relevant and reliable medical information on diseases and conditions.Find your medical topic by using the comprehensive A-Z list above, click on the browse health centers below or one of our categorized listings of health and medical conditions. rhyman007 Getty Images 4 of 15 Parasites. Many human diseases have a genetic component to them. A stroke occurs when an artery in your brain is blocked or leaks. Salmonella bacteria typically live in animal and human intestines and are shed through feces. The infectious agents can be bacterial, fungal, protozoal, or viral. These diseases are transmitted almost exclusively via sexual contact. Algae are single-celled eukaryotes that are generally non-pathogenic although pathogenic varieties do exist. // Leaf Group Lifestyle, U.S. Centers of Disease Control: Gonorrhea. It is caused by a parasite that spreads when a water source is contaminated, usually with the feces of infected animals or humans. Human disease, an impairment of the normal state of a human being that interrupts or modifies vital functions. The main symptom of any form of arthritis is pain. 3. Other common eye disorders include amblyopia and strabismus. The Top 10 Deadliest Diseases 1. There is no cure, but many medications are available to treat the symptoms. Human disease - Human disease - The causes of disease: The search for the causes (etiologies) of human diseases goes back to antiquity. Find relevant and reliable medical information on diseases and conditions. TB is caused by a bacterium that attacks the lungs and causes coughing, chest pain , and other symptoms. The second form is more common and is characterized by repeated attacks separated by periods of remission. Non-Invasive Tests and Procedures. Symptoms in humans: Fever, headache, abdominal pain, nausea, vomiting, and chills are common symptoms in humans, according to Dr. Shainhouse. Pathogens that are capable of being transmitted by insects include protozoa, bacteria, viruses, and such helminths as tapeworms, flukes, and roundworms. Stroke. Methods of Disease Transmission. Find your medical topic by using the comprehensive A-Z list above, click on the browse health centers below or one of our categorized listings of health and medical conditions. Lifetime Perspectives on Primary Prevention of Atherosclerotic Cardiovascular Disease. It may also be associated with illness or be latent, becoming apparent at some later time. This causes the oxygen-deprived brain cells... 3. Updated October 23, 2014. Her screenplays have been viewed by Merchant Ivory, Angela Lansbury and Steven King's associates. High blood pressure, or hypertension, is a disease that eventually affects nearly everyone as they age, the Mayo Clinic notes 1. Problem: Black spot is a fungal disease commonly found on roses, but also on other flowers and fruits. Cryptosporidiosis: Cryptosporidiosis has become one of the most common causes of waterborne disease in the United States in recent years; it is also found throughout the rest of the world. It is often caused by too little roughage (fiber) in the diet. Updated November 28, 2017. There are documented cases that occurred as an … 2. Types of arthritis include osteoarthritis, rheumatoid arthritis, gout, ankylosing spondylitis and others. 3. The deadliest disease in the world is coronary artery disease... 2. Heart Disease; Hepatitis; HIV/AIDS; Human papillomavirus (HPV) Kidney Disease (Chronic Kidney Disease) Meningitis; Methicillin-resistant Staphylococcus aureus (MRSA) Microcephaly; Middle East Respiratory Syndrome (MERS) Overweight and Obesity; Parasites – Scabies; Salmonella; Sexually Transmitted Diseases; Stroke; Traumatic Brain Injury (TBI) Left untreated, nearly all puppies and kittens pick up this parasite. American Heart Association. Terms of Use. Typically, people with salmonella infection have no symptoms. High blood pressure, or hypertension, is a disease that eventually affects nearly everyone as they age, the Mayo Clinic notes 1. If it is not treated, it can lead to stroke and heart attack. Tomlinson holds a Bachelor of Arts in criminal justice and is presently working on her master's degree in nursing. Besides being direct carriers of disease, nuisance birds are frequently associated with over 50 kinds of ectoparasites, which can work their way throughout structures to infest and bite humans. When an Infection Attacks the Heart. It is the most common tickborne disease reported in Minnesota and in the United States. Your nose also contains the nerve cells that help your sense of smell. Centers for Disease Control and Prevention. Often found in soil and sewage, the species Prototheca wickerhami is the cause for most human cases of the rare infection of Protothecosis. Learn more about human health and signs and symptoms of disease. About 10% to 15% of cases in the United States are inherited, resulting from a gene mutation. These mutated cells can form tumors that attack specific areas of the body, then spread to other organs. MedicineNet does not provide medical advice, diagnosis or treatment. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS. April 12, 2016;315(14):1449-50. doi:10.1001/jama.2016.1654. Heart Disease Facts. These problems can lead to strokes, angina or chest pain and heart attacks. The leading causes of blindness and low vision in the United States are primarily age-related eye diseases such as age-related macular degeneration, cataract, diabetic retinopathy, and glaucoma. This is not intended to be a list of rare diseases, nor is it a list of mental disorders.. Most of us have had contact dermatitis - when we touch something that evolves into a skin reaction. The seriousness of the disease in humans varies with human hosts’ age, overall health, and immune status (immunodeficient or immunosuppressed people experience more severe disease). Protothecosis is a disease found in dogs, cats, cattle, and humans caused by a type of green alga known as prototheca that lacks chlorophyll. Other heart diseases—and there are many—include: The Mayo Clinic reports heart disease as the top killer of adults in the world 1. These diseases can affect various areas of the body. Anaphylaxis (Severe Allergic Disease has always plagued living things. TB is a relatively rare disease in the United States, but it’s common in other parts of the world and is highly contagious. Complications of diverticular disease happen … Each has different causes, but all are characterized by inflammation specifically in the joints, according to the National Institutes of Health 2. Heart disease, the Mayo Clinic states, is a general term used for all types of diseases related to the heart 1. 4. There is no cure for Creutzfeldt-Jakob disease, which can occur in a person in one of three ways:1 1. Bacteria. 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