Joanne Lewsley

Chronic stress may lead to hair loss, research suggests. But it is often reversible.

About 20 percent of people have dimples. But what causes them?

A nightcap can often make people feel tired, but how does alcohol affect sleep?

REFERENCE It's an essential mineral that we can only get from our diet — but what is potassium good for?

The best dehumidifiers can help to prevent mold, bad odors and condensation in your home. Tried and tested by Live Science.

There are many reasons why we can feel tired in wintertime.

Buying Guide Take control of your oral health with the best electric toothbrushes, tried and tested by Live Science.

BUYING GUIDE Invest in one of the best air purifiers to keep on top of indoor air pollutants — tried and tested by Live Science.

BUYING GUIDE Pick up one of the best water flossers for healthier gums and teeth — tried and tested by Live Science.

BUYING GUIDE We've tested the best massage gun to help alleviate post-workout soreness and speed up your recovery.

REFERENCE Does vitamin D give you energy, and what else is it good for? We investigate

Discover all the important benefits of vitamin D, from building strong bones and teeth to improving your mental wellbeing

Reference What are the most common food additives, and what effects do they have on our overall health?

Does exercise help arthritis and what activities are best for relieving symptoms? We asked a doctor to explain

Buying Guide The best electric toothbrushes for kids can help teach the importance of dental hygiene from kindergarten upwards.

What is Tabata training, how does it differ from HIIT exercise and can it improve performance?

What is metabolic conditioning? We combed through the latest research and asked an expert to explain

There are lot of options for cooking oils these days. But what are the healthiest cooking oils and how can you use them when preparing and cooking food?

Is collagen good for skin — and is it better to ingest collagen through food or supplements? We’ve got the lowdown

Reference Theragun vs Hypervolt: Which is best? We compare these two leading massage gun brands' essential features, price, battery life, and much more

reference Wondering how to improve your digestion? Our tips will help you to ease gas and bloating, increase your good gut bacteria and improve your overall wellbeing

Reference When it comes to collagen vs whey protein, which is better for your fitness routine and nutritional needs?