Skin is the largest organ on our body, it is the external cover above the musculoskeletal system, nervous system and other others, which together work to make a well-functioning body. When you are going through something, like a disease or even a mental health crisis, your skin gives signs of it. Many people explain how someone who is feeling down and struggling with their mental health, their skin reflects it like sunken eyes, discolored skin patches etc. Your skin acts as a protective covering over our vital organs, it protects them from light, heat and other diseases. So many times, the signs of diseases can be visible first on your skin. Your skin is really important for staying alive. The way your skin looks can tell people a lot about how old you are, if you're healthy, and how you're generally doing. But doctors can learn even more by looking closely at your skin. It can be the first clue that something might be wrong inside your body. Signs Of Illnesses On Your Body When you are suffering with a disease, symptoms can show up anywhere, and they are more visible on the skin. You never know that bump or that whitening skin patch on your body part may not be as benign as you may think. Dark Patches in Folds Dark, soft, thick skin in armpits and neck might signal "acanthosis nigricans." According to American Academy of Dermatology, this can be a sign of type 2 diabetes, where your body struggles with sugar. Extra insulin in the blood can affect skin cells, causing these patches. While medicines can also cause it, see a doctor if you notice these changes Pimples on Chin and Jawline According to the Cleveland Clinic Health Essentials for women, ongoing pimples on the chin and jawline could point to polycystic ovary syndrome (PCOS). This hormone imbalance can also cause more facial hair and thinning scalp hair. If you have these skin issues with irregular periods, talk to your doctor. PCOS can be managed. Bruising Easily Bruising or bleeding without a clear injury might indicate a blood disorder. Problems with clotting or platelets can cause this. In rare cases, it could be a sign of certain blood cancers. Other signs include frequent nosebleeds or bleeding gums. See a doctor if you bruise easily for no reason. Yellow Bumps on Eyelids Yellowish bumps on eyelids can signal high cholesterol. Cleveland Clinic explains that these bumps are cholesterol deposits under the skin. They might go away with cholesterol treatment. However, they can also be linked to other conditions like thyroid problems or liver issues, so it's important to see a doctor. Freckles and Sun Spots Freckles and dark spots show sun damage over time. This damage increases your lifelong risk of skin cancer. Regularly check your skin for any new or changing spots. A dermatologist can examine these and remove any concerning ones. An Itch That Won't Go Away Persistent itching without a clear skin cause could signal a problem inside your body, like a blood disorder or even organ failure. If itching lasts more than two weeks, is severe, or comes with other symptoms like fatigue, see your doctor. Sores on Hands and Feet According to American Academy of Dermatology, swollen and painful sores on your feet and hands, especially with fever, could be a sign of COVID-19. This is less common but can be the only symptom. If you suspect "COVID toes" or similar skin issues, get tested and isolate yourself.