There are numerous bodily difficulties to be on the lookout for if your face changes. These four changes may indicate an underlying, undiagnosed medical ailment if you experience them. For your own wellbeing, remain vigilant and proactive.

According to Livestrong.com, medical conditions like hypothyroidism and atopic dermatitis can contribute to thinning eyebrows. A thyroid gland that is underactive, or hypothyroidism, can cause general hair thinning. Additionally, atopic dermatitis, a skin disease that affects 20% of the population, may be a factor in eyebrow loss.