Hormone: Leptin. One of the many hormones produced by your fat cells is leptin, which plays a role in appetite control. Research has found that excess body fat can cause a condition known as leptin resistance, which means your brain isn't affected by leptin even though your body contains higher levels of it.
Check out these 9 pet birds that are perfect for children. Pacific parrotlets make great pets for older children. panupong1982/iStock/Thinkstock. I had my first pets around 8 or 9 years old, and I was a horrible pet owner. I hated having to feed and water my pet rabbits and clean their cages everyday. I would forget at times.
Good toys for older infants: 1  Things to play pretend with - baby dolls, puppets, plastic and wood vehicles with wheels, and water toys. 2  Things to drop and take out - plastic bowls, large beads, balls, and nesting toys. 3  Things to build with - large soft blocks and wooden cubes.