Cooking time. There is substantial variation, with cooking time being the primary variable affecting doneness (soft-boiled vs. hard-boiled). It usually varies from 15â17 minutes for large hard-boiled eggs, 1â4 minutes for large soft-cooked eggs and 12 minutes for the best results.
It makes thyroid-stimulating hormone, or TSH, which tells the thyroid gland how much T4 and T3 to produce. The TSH level in your blood reveals how much T4 your pituitary gland is asking your thyroid gland to make. If your TSH levels are abnormally high, it could mean you have an underactive thyroid, or hypothyroidism.âTSH levels go in the opposite direction of your thyroid hormone,â Dr. Doria-Medina explains.he TSH level in your blood reveals how much T4 your pituitary gland is asking your thyroid gland to make. If your TSH levels are abnormally high, it could mean you have an underactive thyroid, or hypothyroidism. âTSH levels go in the opposite direction of your thyroid hormone,â Dr. Doria-Medina explains.
What do low TSH levels mean? According to About.com, low levels of TSH, or thyroid-stimulating hormone, occur when the pituitary gland shuts down TSH production due to high levels of thyroid hormone in the blood. The low levels of TSH are the pituitary gland's attempt to keep thyroid hormone levels normal within the body. What are some symptoms associated with high TSH levels? According to WebMD, high TSH (thyroid-stimulating hormone) levels indicate an underactive thyroid gland (hypothyroidism). Common symptoms include feeling weak, tired or depressed, sensitivity to cold, constipation, brittle nails, memory problems, and heavy or irregular periods.