consider this a sign to get your blood iron levels checked.
2. BLUE FINGERNAILS
Blue fingernails can indicate that your body isn’t getting enough oxygen. This condition is known as cyanosis and can be a symptom of lung problems, such as emphysema or heart problems. If you notice blueness in your nails, it’s important to seek medical attention.
3. PERSISTENT TREMORS
A slight tremor in the hands can be normal after exercise or if you are stressed. However, persistent or severe shaking could be a sign of a neurological disorder
