Hypothyroidism: thyroid, a tiny butterfly-shaped gland in your neck, is acting lazy and doesn't produce enough hormones (a condition known as hypothyroidism), it can bring your metabolism to a snail's pace. This could make you gain weight.

Polycystic Ovary Syndrome (PCOS): It is a hormonal disorder common among women of reproductive age. One of its sneaky side effects? Yup, you guessed it, weight gain! But PCOS is also known to cause Type 2 diabetes, excess facial hair, and acne.

Cushing Syndrome: Cushing's syndrome is when your body has too much of the hormone cortisol. Imagine cortisol as that overenthusiastic friend who can't calm down, leading to weight gain, especially in the face, upper back, and belly

Insomnia:Wait, not sleeping makes you gain weight? Oddly enough, yes! Insomnia can throw your hunger hormones into a frenzy, making you want to eat everything to stay awake.

Depression: Depression doesn't just weigh on the mind; it can also add pounds to the body. Sometimes, it's from comfort eating. Other times, antidepressants might be the culprit. 

Obstructive Sleep Apnea (OSA): Weight gain is known to cause OSA. But it has been reported that people with OSA are more susceptible to weight gain. 

Heart Faliure: Unfortunately, yes. Heart failure can cause fluid retention, leading to sudden weight gain. It's like you're suddenly carrying around a bunch of water balloons!

Stress: Yes, the final contender on our list is Stress. Your body responds to Stress by releasing the hormone cortisol. Unfortunately, too much cortisol can make your body store extra fat. 

That's a wrap! I hope you enjoyed learning about The Medical Mystery Behind Stubborn Weight Gain. If you want to learn more about weight loss then you can read our blog and subscribe to our Weight Loss Tales Newsletter.