Plastic lenses are cheaper, lighter and less likely to break than glass. Glass lenses are more expensive, heavier and scratch resistant that plastic.

A fracture and a break are the same thing. A fracture is a medically used term for a break.

A ‘drug’ is a substance which may have medicinal, intoxicating or performance enhancing effect on a person’s body. Drugs can be used for various purposes: medicinal, spiritual/religious, self-improvement and...

Mosquito bites are soft pale bumps that can become pink or red and itch. Bed bug bites are red bumps with a darker red spot in the middle, they are itchy and usually three in a row.

Dietitians and nutritionists advise people on matters of food and nutrition. A dietitian is a trained and licensed practitioner, subject to professional regulation, while a nutritionist is not.