Southeast Asians call this plant a ‘vegetarian meatball’ for having so much protein — it can keep your brain young, too

One seaweed superfood is so packed with protein that some fans call it a “vegetarian meatball” — and it’s also been linked to slower brain aging. Packed with vital nutrients, the tiny aquatic plant could prevent cognitive decline and conditions like Alzheimer’s disease, according to some research. It may even help with weight loss and…