The thyroid gland uses iodine to produce thyroxine (T4) and triiodothyronine (T3), the hormones that regulate metabolic rate, body temperature, energy production, neurological function, and cardiovascular activity. Without adequate iodine: 1️⃣ TSH may rise as the pituitary attempts to stimulate thyroid output 2️⃣ T4 and T3 production can become impaired 3️⃣ Metabolic efficiency and cellular energy production may decline Both deficiency and excess iodine can disrupt thyroid physiology, which is w

Hypothyroidism – Underactive Thyroid Explained 🔽 Hormonal Changes T3 (Triiodothyronine) ↓ T4 (Thyroxine) ↓ TSH (Thyroid Stimulating Hormone) ↑ 📌 Thyroid kam hormone banata hai, isliye pituitary gland zyada TSH release karti hai. 🔍 Common Signs & Symptoms ✔ Tiredness & Fatigue (थकान) ✔ Weight Gain (वजन बढ़ना) ✔ Feeling Cold (ठंड लगना) ✔ Hair Fall (बाल झड़ना) ✔ Dry Skin (सूखी त्वचा) ✔ Slow Heart Rate / Depression (धीमी धड़कन / अवसाद) 📚 Nursing & Medical exams ke liye high-yield topic 🏥 OPD, I