Feeling unusually cold when others seem comfortable might indicate more than just personal sensitivity. Persistent coldness can signal potential health issues. Here are 11 possible reasons you may always feel chilly, along with steps you can take to address them.

1. Anemia

Anemia happens when your body doesn’t produce enough red blood cells or hemoglobin, limiting oxygen delivery to tissues and causing a cold sensation. Common symptoms include fatigue, pale skin, and cold hands or feet.

What to Do: Increase your iron intake by consuming foods like spinach, red meat, and fortified cereals. If dietary changes aren’t enough, consult a healthcare provider about supplements or other treatments.

2. Hypothyroidism

An underactive thyroid slows your metabolism, reducing your body’s ability to generate heat. Approximately 5% of the U.S. population experiences hypothyroidism, which can also lead to symptoms like weight gain, dry skin, and thinning hair.

What to Do: Thyroid hormone replacement therapy is often effective. Regular blood tests can help ensure proper medication adjustments.

3. Raynaud’s Disease

Raynaud’s disease causes spasms in the blood vessels of your fingers and toes, restricting blood flow and resulting in cold extremities.

What to Do: Wear insulated gloves and socks to keep warm. In severe cases, medications can improve blood flow.

4. Low Body Weight

A body mass index (BMI) under 18.5 may mean insufficient fat for insulation. Low muscle mass can also reduce your body’s heat generation.

What to Do: Focus on gaining weight through a healthy diet and strength-training exercises to build muscle.

5. Dehydration

Water helps regulate your body temperature. Dehydration can impair your body’s ability to retain heat, making you feel cold.

What to Do: Drink at least 6–8 cups of water daily and include water-rich foods like cucumbers and oranges in your diet.

6. Vitamin B12 Deficiency

Vitamin B12 is vital for red blood cell production. A deficiency can lead to anemia, causing coldness, fatigue, and numbness in the extremities.

What to Do: Add B12-rich foods such as eggs, dairy, and fortified cereals to your meals. Vegetarians or individuals with absorption issues might require B12 supplements or injections.