When it comes to eating healthily, would you take advice from a celebrity or a world-famous medical school? (Hint: would you take financial advice from a random person in the street or from Warren Buffett?)

Chlorella algae and activated charcoal smoothies. That’s one example of substances that lifestyle gurus will suggest you ingest to ‘cleanse’ the body of ‘toxins’. And we won’t even go into what they often suggest you put in your other end to – guess what – cleanse the body of toxins. Because ... ew.

The cuisines of New York City are the cuisines of the world. Not because of some kind of American culinary imperialism but because it is a city made up of immigrants. Over the generations families tend to stick to the cooking of the countries of their forebears, which is why in New York you can find the most authentic examples of ethnic food, cooked not for tourists but for family, friends and community.

“Doing what you like is freedom.

Liking what you do is happiness.”

Narcissists are particularly dangerous people. They can be charming, intelligent, and entertaining to be around. They can be colourful characters who are attractive because they see life differently. At first it can be like a breath of fresh air to meet a narcissist, because they do not conform to the way most of us think. They have big ideas, big plans, big goals – the very things we are told to strive for in all the success self-help books we read. This is why many narcissists are successful in work and business.

Americans consume twice as many material goods today as they did 50 years ago. As a result, most homes are full of junk. This has started to raise questions in the mind of the average consumer. How often do I actually use the arc welder I bought five years ago to do one job? Do I really need seven sets of wine glasses? Why is my shed full of plant pots when I haven’t planted anything for years?

The most popular course ever at Yale? Surely Political Science, CompSci, Global Affairs, one of those? They are the courses that young, ambitious ivy leaguers need to launch their professional careers, right?