सूर्य के प्रकाश से पराबैंगनी विकिरण (UV radiation) के लंबे समय तक संपर्क में रहने से त्वचा को नुकसान हो सकता है और इसका खतरा बढ़ जाता है:

With reference to cancer metastasis, consider the following pairs: Term — Description I. Metastasis — Spread of cancer cells from the primary site to distant organs II. Tumour microenvironment — Cellular and molecular surroundings influencing tumour growth III. Benign tumour — Tumour with unlimited invasive metastatic potential How many of the above pairs are correctly matched?

Prevention of non-communicable diseases requires modification of lifestyle factors such as diet, exercise and smoking to reduce: