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Adenosis is a benign (non-cancerous) condition often spotted during a breast self-exam ormammogram. Premenopausal women are most commonly affected. Treatment is usually not necessary unless there is pain. Terry Vine/Blend Images/Getty Images It also explains why this benign condition is sometimes monitored for breast cancer. This is because the lumps are often small and not situated near the surface of the skin. One or both breasts may be affected. Unlike many types of breast cancer, adenosis does not change the skin or shape of the breast....

Swallowing is a complex process. It involves coordination from about 50 different nerves and muscles in the mouth, throat, andesophagus. People with psychological issues or mental illness are prone to dysphagia, though the reasons aren’t completely understood. Verywell / Dennis Madamba This article discusses mental health disorders associated with dysphagia, causes of functional dysphagia, and treatments. Verywell / Dennis Madamba What Is Functional Dysphagia? Some people report anxiety makes them feel as if they are being choked....

This is done in advance of breast implants so that the chest wall and skin can accommodate them. Because of the stretching involved, tissue expanders can be painful or uncomfortable. Why Tissue Expanders Cause Pain A tissue expander is usually put in duringmastectomy surgery. Verywell / Brianna Gilmartin The expander is inserted underneath the chest muscle. Tissue expanders can feel very hard and unnatural because they are thicker and less flexible than implants....

This is partly attributed to the fact that it’s a complex condition. The following factors all often have to come together to produce acne. Your skin, at some point, was clear. Verywell / Joshua Seong Why then does acne seem to suddenly appear? In a word: hormones. Hormones play a huge role in acne development. The major players here are androgen hormones: estrogen and testosterone. Androgen hormones, specifically testosterone, stimulate the sebaceous glands to swell and produce more oil....

These factors may differ for each bang out of anxiety disorder. The changes in these genes may make a person more likely to develop anxiety disorders. This is referred to as having a genetic predisposition or genetic vulnerability. Verywell / Laura Porter Genetic vulnerability, combined with certain environmental factors, is thought to trigger the development of anxiety disorder symptoms. Genome-wide association studies (GWAS) involve scanning genetic markers of many people who have a particular disease....

There are 100 different forms ofarthritis, each with its own set of causes and risk factors. The most common types include osteoarthritis,rheumatoid arthritis, andgout. Determining the cause of arthritis can be difficult since multiple, overlapping factors typically contribute to its development. David Sucsy / Getty Images Possible causes of arthritis include age- and lifestyle-related wear and tear, infections, injuries, and autoimmune conditions. Arthritis can strike at any age, including in children....

Each antibody is programmed to kill a specific agent. We also see genetic patterns among ethnic groups, which suggests anautosomal recessive patternof inheritance. Examples of Environmental Triggers This has been noted with theEpstein-Barr virus(EBV) and rheumatoid arthritis. Illustration by Emily Roberts, Verywell Obesity places you at risk of both rheumatoid arthritis and psoriatic arthritis. In some cases, you are simply predisposed at birth. Wang L, Wang FS, Gershwin ME.Human autoimmune diseases: a comprehensive update....

Microbes can be introduced each time you have intercourse. The risk of BV is highest among people with a vagina between the ages of 15 and 44. This age group tends to be more sexually active than younger or older people. © Verywell, 2018 Bacterial vaginosis is rare in people who have never been sexually active. Examples of aerobic bacteria includeStaphylococcus aureusandEscherichia coli(E. coli). A number of CRH-related genetic mutations have been identified in black women that are less common in white women....

No one knows the cause of breast cancer. What we do know are the many risk factors and potential causes of breast cancer. To understand breast cancer we must start with the fact that all breast cancer develops from damaged DNA. Verywell / Jessica Olah Some breast cancers can also develop in the lobes and stroma of the breast. Each lobe contains several glands, where milk is produced. The glands are connected by ducts that transport the milk to the nipple....

Short-term inflammation of the bronchi, which is defined asacute bronchitis, is usually triggered by an infection. Air must travel through the bronchi before reaching the lungs. With bronchitis, these passageways are not clear and wide as they should be. © Verywell, 2018 The resulting bronchial obstruction is why people who have bronchitis may experience wheezing and shortness of breath. A cough is the bodys attempt to rid itself of irritants in the respiratory system....

The cancerous cells can then crowd out normal cells or invade body tissues. Most people don’t realize thatcanceris preventable in many cases. Learning what causes cancer and what the risk factors are is the first step in cancer prevention. Verywell / Jessica Olah Tobacco use and smoking fall in this category. There are many other substances in the environment that could put you at risk. Radiation Exposure The most common form of radiation exposure is from the sun....

Cerebral palsy(CP) is linked to certain known causes and risk factors. It’s resulting from damage ordevelopmental problems of the brainleading to a deficit of motor skills. There may be accompanying cognitive issues. © Verywell, 2018 In many cases, there is no identified cause of cerebral palsy. Larger than usual spaces filled with fluid may be present in some instances. The cause of the congenital abnormalities is not usually identified. Get our printable guide for your next doctor’s appointment to help you ask the right questions....

Verywell / Jessica Olah Common Causes In most cases, CIN develops after an HPV infection. HPV is a sexually transmitted infection that spreads easily from person to person. Not everyone who gets HPV will experience CIN, though. Verywell / Jessica Olah Experts say the immune system is well suited to clearing HPV infections without any external intervention. However, its not exactly clear why some people reset the infection and others develop CIN....