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.

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.

"I lost 10kg, and I got to eat whatever I wanted!" This is the siren call drawing thousands of people to the nutrition approach known as If It Fits Your Macros, or IIFYM. What started as a way for bodybuilders to cut weight for competition has taken off in the fitness community and beyond. If freedom of choice is important to you, this may be a good fit. But first, release yourself from the delusion that the road to cut abs is paved with waffle fries. It's not quite that easy.

Five people have recently told me they were going to "try keto" — the most recent after gushing about a mutual friend who has been doing keto, aka the popular ketogenic diet, and getting awesome-looking results. You've probably heard rumblings about keto, but what the heck is it? And is it too good to be true?

Each year, new weight loss diets appear that promise to reveal the ultimate secret of success – if only you buy the book, pills or potions. Fad diets might achieve short-term results but they are difficult to sustain in the long term.

If you're a self-described "skinny" person trying to put on weight, you probably feel like a second-class citizen when you're researching on the internet. Most fitness information is geared towards fat loss. Let's talk about the basics of healthy weight gain.

Dear Lifehacker, I recently changed careers and now work from home for half the week. How do you plan your eating? Any meal or snack suggestions to keep my energy up and minimise chair flab? I don't want to raid the fridge every time I get munchy, but I don't have a lot of time to cook big breakfasts and lunches either.

The majority of eating advice centres on losing weight. Instead, let's look at how changing what you eat can help fend off mid-day energy slumps and blah feelings from your work day.

There's still a lot we don't know about mental illness, but medical professionals are starting to place more importance on factors like diet and sleep in the treatment of these conditions. A review of the literature has identified some of the best nutrient-rich foods that can aid sufferers of depression and anxiety.

Finding clear, definitive facts about healthy exercise can be difficult. The exercise industry is a multi-billion dollar business, built partially on selling gadgets and supplements to people desperate to lose weight or look attractive. Meanwhile, good workout plans and simple truths lurk in the background waiting for their time to shine. All of this results in lots of misinformation about exercise. We're taking some of those commonly-held exercise myths to task, and we have science to back us up. Let's get started.

Fat loss relies on one thing: eating fewer calories than you expend. But nobody wants to sit and count calories all day. Most people can learn to track them successfully, but some might need a different strategy altogether. If tracking has given you a headache in the past, consider giving this a try.

I've struggled with my weight for nearly my entire life. I went from being chubby in primary school to overweight in high school to obese in university. At my biggest, I weighed almost 127kg (I'm 168cm tall). Finally, around five years ago, I got a spark of inspiration that ultimately led to me dropping a total of 50kg and counting. Here's how I did it.

Most of us can agree that eating your veggies is a good thing on the nutrition front. Still, simply knowing that vegetables are good for you isn't enough to suddenly turn disgust into undying love for broccoli. But give veggies a proper chance with these tips and you might just learn to love 'em.

Pet food aisles are full of packages that claim to hold "natural" and "holistic" foods, with pictures of fresh vegetables and roast chicken on the front. But there's not much difference between these foods and the cheapest by-product-filled kibble. Here's what you can expect to find in your pet's food.

Like most guys of a certain vintage, I have mixed feelings about my body. Staying lean and not surrendering to the siren’s call of the dreaded 'Dadbod' is a key concern. But then so is building and maintaining enough muscle so that I can keep up with the young bucks on the soccer field or in the gym.

One of the main keys to success is your diet. You need a meal plan that's high in healthy carbs, fats and proteins. More importantly, it needs to be easy to prepare and affordable - so you'll actually stick to it.

When you want to lose weight, you have to cut out some of your favourite unhealthy treats. The desire to eat these tasty foods often stems from an underlying desire for something else. According to David Bedrick, writing for Psychology Today, identifying the desire can make dieting a heck of a lot easier.

When your daily commute is 20 steps between your bedroom and home office, the biggest threats to your weight and health are lack of movement and the temptations of a fully-stocked kitchen and fridge. Here are tips to nip those Pac-Man-like habits in the bud when you don't even need to leave the house.

When it comes to healthy snacking, most people concentrate on foods that are low in fat and sugar. However, effective satiation is also important - otherwise you'll end up snacking way more than you should.

Researchers from the University of Sydney set out to determine which foods are best at filling you up and keeping you full. The result is the Satiety Index Of Common Foods. It's essential reading for anyone on a diet.

Some foods are too delicious to completely let go of when you're trying to reduce your calorie intake. For me, those things are a topping or dip of some kind that usually require an additional calorie-heavy food to deliver the tasty goodness to my mouth. If you're dieting, it's smart to replace the delivery method with something healthier — or just do what I do and forego it entirely.