2. If we go extinct our memorials will vanish within 10,000 years. Are we close to extinction? Depends how you look at it.
3. Sure we have--look at how we've killed almost anything on the planet that is not directly used by us for food or other purposes.
4. Fine, 1/3 of us are.
And according to the new study from Overseas Development Institute (ODI), over one-third of all adults across the world – 1.46 billion people – are now obese or overweight.
Study: World Obesity Triples Since 1980, Nearly 1.5 Billion People Overweight « CBS Atlanta