Healthy Nails or Hidden Warning Signs? Here's What to Look For

We often take care of our health by going to the gym, watching what we eat and getting routine blood tests done from time to time. But there is one important part of our body that we often overlook our nails. We notice our hands while washing them in the morning or typing on our phones, but when it comes to our nails, we usually think only about trimming them or applying nail polish. The truth is that these tiny nails on our fingers and toes can tell us quite a bit about what is happening inside our body. Sometimes, changes in their colour, shape or texture can point towards a nutritional deficiency or an underlying health issue even before other symptoms become noticeable. So, if your nails suddenly change colour, develop unusual lines or start peeling and breaking for no obvious reason, it may be worth paying attention to. In today's busy life, we often ignore things like tiredness or headaches and simply move on with a cup of tea or coffee. In the same way, we tend to ignore small changes in our nails. But being a little more observant can help us understand our health better. If we think about the way our grandparents used to look at health, they often noticed things that we now tend to overlook. Grandmothers would sometimes look at a child's hands and nails and immediately notice that something seemed different. Changes in the colour or appearance of the nails were often seen as a sign that the child might not be feeling well. Today, we have become much more dependent on medical tests and reports for understanding our health. While these tests are important, we sometimes forget to notice the simple signs our own body gives us. We may spend thousands on skincare products to make our face look better, but barely give a second thought to the nails at our fingertips. Usually, we start paying attention only when the nails become extremely weak, damaged or painful. A little awareness, however, can help us notice changes much earlier. The colour, shape and texture of our nails can sometimes offer useful clues about our overall health. Doctors and dermatologists often look at the nails during a physical examination because certain nail changes can be linked to conditions affecting different parts of the body, including the liver, kidneys, heart and lungs. For example, unusually pale nails can sometimes be associated with anaemia or iron deficiency. When the body does not get enough iron, the nails may become thin and start curving inward, giving them a spoon-like appearance. This condition is known as koilonychia. Yellow, thickened nails are commonly seen with fungal infections, although they can also be linked to certain other health conditions. In some long-term heart or lung conditions, the fingertips can become enlarged and the nails may curve downwards. This is known as nail clubbing. Deep horizontal lines or grooves across the nails, called Beau's lines, can appear when nail growth is temporarily interrupted following a high fever, severe illness, injury or major physical stress. But it is important not to look at any one nail change and immediately assume that something is seriously wrong. These signs need to be understood in the right context and, when necessary, checked by a doctor. So, what can we do to keep our nails naturally strong, healthy and good-looking? The answer starts with our diet. Nails are mainly made of a protein called keratin, which means that what we eat plays an important role in their health. If your nails break easily or have become unusually thin, make sure your diet contains enough protein and essential nutrients. Eggs, almonds, walnuts, peanuts, sweet potatoes and sunflower seeds are good sources of biotin and other nutrients that support healthy nail growth. Iron and protein are equally important and can be obtained from foods such as spinach, fenugreek, chickpeas, kidney beans, lentils, paneer and soybeans. Dry nails and peeling skin around the nails can sometimes be linked to dryness or an inadequate intake of certain nutrients. Including healthy fats such as omega-3 fatty acids in your diet, along with drinking enough water, can help support overall skin and nail health. Flaxseeds, chia seeds and walnuts are good plant-based sources of omega-3 fats. Foods such as milk, curd, sesame seeds and pumpkin seeds can also add nutrients like calcium and zinc to the diet. For young people in India, lifestyle can make all of this even more relevant. Many young adults today spend long hours at work or college, rely on hostel or office food, eat fast food and follow irregular routines. When the diet is not balanced, deficiencies of nutrients such as iron, vitamin B12, calcium and zinc can become a concern. Poor nutrition can affect the nails too, leaving them dry, weak and more likely to break. At the same time, grooming and beauty trends have become a big part of everyday life. Men and women alike are increasingly conscious of their appearance, and nail art, gel nails and salon treatments have become especially popular in cities. There is nothing wrong with enjoying these trends, but it is important to remember that our natural nails need care too. Gel nails, acrylic extensions and frequent use of strong nail polish removers can sometimes leave the natural nails weak and brittle. Repeated use of artificial nail glue and gel products can also damage the nail surface. The lamps used to cure gel products expose the hands to UV or LED light, although the level of exposure varies depending on the product and how often it is used. Another concern is salon hygiene. If tools such as nail cutters, scissors and files are not properly cleaned and disinfected between clients, there is a risk of spreading fungal or bacterial infections. Keeping the nails covered all the time with layers of polish or artificial products can also make it harder to notice changes in their natural colour or texture. There is another side to nail health that has more to do with our mind than our body. Stress and anxiety often show up in our everyday habits, and nail biting is one of the most common examples. Many people start biting their nails without even realising it when they are nervous about an exam, an interview or an important situation. The medical term for persistent nail biting is onychophagia, and it is often associated with stress, anxiety or repetitive behaviour. Long-term stress can affect the body in several ways and may also influence normal nail growth. So, in a way, our nails can sometimes reflect not just our physical health but also the habits we develop when we are under mental pressure. At the same time, we need to be careful about what we read online. Today, one quick Google search is enough to make people worry about the smallest change in their body. A tiny spot or line on a nail can send someone straight into a search for serious diseases. But not every nail mark is a sign of a major health problem. Sometimes, a simple injury is all it takes. If you accidentally shut your finger in a door, hit your nail or put pressure on it while lifting something heavy, blood can collect underneath the nail and make it look black, blue or dark. In many cases, the mark simply grows out with the nail. So, there is no need to panic every time you notice something unusual. However, if a change does not go away, keeps getting worse, is painful or appears without any clear reason, it is better to have it checked by a qualified dermatologist or doctor. Taking care of your nails does not have to mean buying expensive products. A few simple habits can make a difference. Along with eating a balanced diet, you can apply a little coconut oil or olive oil to your nails and the skin around them before going to bed and gently massage the area for a couple of minutes. Wearing gloves while washing dishes or working with strong cleaning chemicals can protect your hands and nails from excessive dryness and irritation. Keeping your nails clean and trimmed and avoiding the habit of biting them can also help keep them healthy. In the end, our nails are not just there to make our hands look good or give us a surface for nail art. They can sometimes give us small clues about what is happening inside our body. We simply need to start paying attention. Instead of only covering our nails with polish and other products, we should also focus on giving our body the right nutrition and taking care of our natural nails. There is nothing wrong with enjoying beauty and grooming trends, but not at the cost of ignoring the signals our body may be giving us. So, the next time you look at your hands, don't just notice how your nails look. Take a moment to notice what they might be telling you about your health.