Healthy eating. Make half your meal vegetables and fruits. Go for variety. And keep in mind that potatoes and french fries dont count. choose whole grains & limit refined grains. pick the healthiest sources of protein. Drink lots of water. Stay active. check out http://www.Sparkpeople.Com or http://www.Myfitnesspal.Com. They offers nutrition, health, and fitness tools, support, and resources that are 100% free.
Yes, & Keep Checking. Assuming excess body fat & fat loss is your goal, then good. Keep in mind that much early wt loss is water loss, so keep recording wt daily beyond the 1st month & work on strategies you can maintain long-term; not the common loose/gain yo-yo pattern (does not work out well long-term). Building muscle mass & more activity though out the day are key strategies, not just gym workouts. Study: nusi.Org.