* What are the main reasons for a planned or…

What are the primary medical indications and circumstances that necessitate a Cesarean section, differentiating between planned (elective) and emergency C-sections? Specifically, what maternal factors (e.g., pre-existing conditions, complications during pregnancy, previous C-sections), fetal factors (e.g., fetal distress, malpresentation), and placental…

Is zinc oxide really reef safe?

Is zinc oxide marketed in sunscreens actually reef safe? I’ve seen conflicting information online, with some sources claiming it’s a safe alternative to chemical UV filters like oxybenzone and octinoxate, while others suggest that even non-nano zinc oxide particles can…