Ways to prevent osteoporosis

You can (to help) _______ yourself by taking general measures such as the following:

• Increasing the calcium in your diet.
• Increasing weight-bearing exercise as this helps maintain bone density.
• Reducing both alcohol intake and cigarette smoking.

Medication may (to include) ________________:

• Calcium and vitamin D supplements.
• A variety of hormone-type treatments including HRT, tibolone and SERMS.
• Bisphosphonates (to be) _____ a group of drugs, which (to prevent) _________ bone breakdown and can (to be) ____ very effective in osteoporosis.

It(to) ____ better to prevent any condition than simply to manage it when it (to happen) _____________. Osteoporosis assessment and management (to be) ____ an important factor in maintaining the health of your bone structure as you (to enter) _______________ middle age.

BACTERIA AND VISRUSES. BACTERIAL AND VIRAL DISEASES.

Bacteria (to be) _____ a major group of living organisms. Many pathogens, disease-causing organisms, (to be) ______ bacteria. Most (to be) _____ minute. The first bacteria (to observe) ______________ by Anton van Leeuwenhoek in 1676 using a microscope of his own design.

All bacteria (to have) __________ a relatively simple cell structure. They (to lack) _________ a cell nucleus and organelles. The most important bacterial structural characteristic (to be) _______ the cell wall. Bacteria can (to divide) __________________ into two groups (Gram positive and Gram negative).

Bacteria (to reproduce) _______________ through asexual reproduction which (to result) ___________ in cell division.