Dhaka, Feb. 26 -- Pins and needles are exactly as the name suggests. It feels like someone is pricking our limbs with pins or needles. Also known as tingling, this is an abnormal, uncomfortable sensation affecting hands, arms, legs or feet.

Tingling is often preceded or accompanied by a numb sensation. It results from some problem with our nerves supplying that specific area. Usually, this is reversible and nothing to worry about. But there are instances when a tingling feeling in the arms or legs indicates something worse.

We often feel pins and needles when lying or leaning on our arm or leg uncomfortably. This can cause nerve compression or hamper blood circulation. Without proper circulation, nerves are deprived of nutrients. The en...