India, Jan. 16 -- Cold weather puts the body under stress, as the physiological system works overtime to maintain internal heat and keep you warm and safe. The colder months bring sudden changes, from dry skin to seasonal flu. However, one change many often dismiss is a change in nail colour. Bluish-tinted nails can indicate an underlying health issue, and ignoring it may aggravate the situation if timely precautions are not taken.

To understand this seemingly trivial yet potentially serious condition, HT Lifestyle spoke to Dr P. Venkata Krishnan, Senior Consultant and Director, Internal Medicine, Narayana Hospital, Gurugram, who revealed that the issue can be traced back to poor circulation.

If you have noticed a bluish tinge on your n...