What does it mean when some psychologists support the idea that people follow along a continuous path of development?

It is a scientific fact that as people grow older, Our cognitive capability tend to be reduced so our brain is actually started to deteriorate rather than developed

Some psychologist believes that people constantly improve themselves as long as they live even after the cognitive ability started to decline by using their experience (older people tend to have more experience)  to make better decision besides relying on their cognitive capability alone. 

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases. 

1.)dr. natterson- horowitz came to realize that their isn't much of a difference between animals and humans. just like humans, animals can suffer from illnesses and diseases like breast cancer, self injury, anxiety, and many more. she also discovered how they even treated and performed surgical procedures on animals just as if the animal it self were human. the los angeles zoo called dr. natterson- horowitz because they knew that she was a doctor and that  she would be able to recognize what was wrong with the gorilla. they knew that humans and gorillas were similar, so instead of calling another veterinarian, they called a doctor.