The skin of our lips is thin and delicate. It has just a third of the cellular layers that our normal skin does. Lips do not have any moisturizing sweat glands, which means they need to be kept hydrated and protected or they will inevitability dry and crack. If you find yourself with constant issues with your kisser, do not overlook them because they may say more about your health than you realize. Here we have compiled 10 lip signs and symptoms to help you know what to watch out for and what they could mean for your health: Swelling Lips While lip swelling is commonly caused by sudden trauma or inflammation after dental work, a number of other conditions can cause them to swell. Swollen lips may be a symptom of oral allergy syndrome (OAS), which can be triggered by certain foods or medications. Another allergic reaction more concerning …