[XorNot]

"I just had a 1 hour lecture and have a 2 hour lab class coming up. By hour 1 of that lab I'm going to be lightheaded. What do I eat?"

Currently the answer for me is subway on campus. It's not a good answer. The dilemma of "I need food right now" is severely understated in our current society, and probably a not insignificant causative of obesity (just about everything you can get quickly is terrible for you).

[derekp7]

There's also this thing that people are accustomed to eating 3 times a day, on schedule. And if you miss a scheduled meal, bad things happen to your blood sugar. But is this just an artifact of our current abundance? If you look at nature, many carnivores may go several days or more without a meal. Is this also the natural state for humans, and we are just spoiled? Or are humans really in need of getting nutrition every 4 - 6 hours?

[montecarl]

I find that my need to eat frequently is very well correlated with the percentage of calories that I receive from carbohydrates. I used to eat 4-5 times a day to avoid that low blood sugar feeling (light headed and weak). I have switched to a ketogenic diet and get most of my calories from fat. This has had an enormous impact on when I have to eat. I can now, if I have to, skip a meal and not feel like I might pass out.

[ceejayoz]

We, like the other primates, aren't carnivores. Herbivores have to spend tremendous amounts of time grazing. We omnivores land somewhere in the middle.

[eropple]

What's wrong with Subway? Get a salad.

[gfodor]

seriously, Soylent could really market itself as the Subway replacement. If you find yourself eating Subway, you probably give somewhat of a damn about eating healthy, but are pressed for time.

[malyk]

Bring a sandwich, eat it during the lab.