So you want to be a centenarian, eh? Unfortunately, the dumb luck of genetics plays a very big part. If you have a family history of cancer, poor blood flow or heart disease, you can basically forget it. Soz.

With that said, there are various lifestyle changes you can make, both big and small, which will help to extend your life expectancy considerably. This infographic spells out what you need to know.

Dear Lifehacker, My friend keeps telling me to stop drinking fruit juice because "it's basically just sugar". She also claims it's just as bad as Coca-Cola. I've done some online research but can't find a definitive answer on this. Surely juice is healthier than sugary soft drinks? Or do I really need to quit? (I mainly drink bottled '100%' apple juice and OJ.)

It’s happened to most of us – we walk past a restaurant, cafe or bakery and something catches our attention. A delicious smell wafts out the door and our tastebuds start tingling.

Tracking what you eat is a lot like budgeting: You have a certain amount of calories or nutrients to “spend” throughout the day. Planning is key, which can be a little nerve-wracking: What if I spent too many calories on breakfast? Will I be hungry at dinner?

Many people wonder why they’re not losing weight when they follow a strict diet and exercise routine. One possible reason is that what look like healthy options aren’t what they seem.

Android/iOS: Keeping track of what you eat can help you make better choices, because you know that whatever you choose, you’ll have to write it down. But that doesn’t mean you need to obsess over every kilojoule or ask an app to run weight loss calculations.

If you just want to look for big-picture patterns in your diet, YouAte (free on iOS and Android) is a low key way to do just that.

The nutrition content of processed food has changed over time. The good news is that: Newer products often have less sugar, less salt, and more fibre. But that's offset by a change in fat content: New cereals, yogurts, and snacks tended to be higher in fat.

Your muscles are made of protein, so if you’re building muscle you need to eat up. But how much protein do you really need? More than a couch potato, but less than the protein-crazy gym bros would have you believe. Here’s how to quickly calculate the real answer.

Stadium food is horrendously expensive and unhealthy, but it's part of the fun of a sports game. And even if you're trying to stick to a diet, you're going to be at the game for a couple hours - so as a human, you're going to have to eat something. Here's how to navigate the world of beer and meat pies.

Dear Lifehacker, Are detox diets good for you, or just another pseudo-science? Does your body really build up toxins that affect you health and does a detox get rid of them?

About five years ago, I weighed in at 110kg - a lot of weight for a 178cm frame. I was unfit, lived a sedentary life and was on my way to many of the same health issues that claimed my father's life. These are the apps and gadgets that made a difference.

What’s so special about superfoods, anyway? Even as the term fades slightly from marketing copy, we all still pay attention to specific foods that we’ve heard are better for us than the rest. Red wine. Goji berries. Kale.

Clearly sugar is not great for us. But it’s so delicious! And as anyone who’s ever sat down to eat a handful of M&Ms and accidentally polished off the bag (i.e. everyone) can tell you, once you start, it can be hard to stop. If only there was something to interrupt the deadly and delicious cycle...

Mast Chew is a new brand of Aussie chewing gum that you can safely swallow. Made from 100% natural and organic ingredients, it's being marketed as a healthy alternative to the likes of Extra which use artificial sweeteners. Here are the details!

Everyone has goals they want to accomplish. But with busy schedules and work demands, it can sometimes feel like we let them slip away.

Three huge new studies of more than half a million people are casting significant doubts on 'keto' and other low-carb diets. Because sugar is a carb, many keto dieters drastically reduce their sugar intake - but they eliminate healthier carbs too. The studies found that focusing on healthy, plant-based, whole foods is a better long-term strategy than dieting.

Excess storage of fat is linked to many different chronic diseases. But some areas of fat storage on the body are worse than others.

The KFC you know and love could soon be on the chopping block. The company is implementing sweeping changes to its UK menu with an emphasis on healthier, lighter eating. This includes a 20 per cent reduction in calories per serving and the introduction of vegetarian "chicken". No, really.

Is cage-free better than organic? Are omega-3 eggs worth the extra money? Let's break down the terms you'll see on egg cartons.