When the cabin pressure suddenly drops, generally due to damage to the seal that keeps the cabin airtight, oxygen masks drop.
Thyroid-stimulating hormone (TSH) helps control how much thyroid hormone your thyroid makes. High TSH usually means hypothyroidism, while low TSH points to hyperthyroidism. A typical adult TSH target ...
"Went snorkeling off the coast of Mozambique near an island when a dugong swam right under me." ...