As the final neurotransmitter is in the pleasure part of the brain and will cause sadness and can cause depression. 
The second one is in charge of energy levels and that will cause a decrease in wanting to get things done. 
The first one normally to temporarily shut down is your body clock, and this usually causes sleeplessness. 
When stress overloads your life, you’ll feel it both physically and emotionally. Your neurotransmitters in your brain will begin to fail. 
Remember that not all stressors are bad, but identifying the good and bad stressors in your life will help you to prioritise, learn stress techniques and in some cases get needed help before the stress leads to physical or emotional harm.
As technology and society have advanced, new opportunities have opened up for people everywhere. There are a wider variety of jobs available, and it’s easier to stay ‘wired’ at every minute of the day with mobile phones and the internet. However, this also means it can be harder for us to ‘switch off’ and truly appreciate our surroundings. It can also be difficult to adequately relax and recharge, so we miss out on that crucial time to ourselves. these shutdown, it becomes harder to react to stress, so it is important to understand, prevent, and/or combat the bad teen stressors.  

Some of the stressors teens deal with include the following:

• Moving to a new home and school

• Tests and homework

• Too-high expectations

• Sports and other extracurricular activities

• Employment

• situationsSocial

• Too much to do

• Too fast or too slow physical development

• Family problems including abuse and alcohol

• Owning a car

• Relationships with friends

• Having a boyfriend or a girlfriend

• Money problems

 

Now that you know the common triggers for stress, how can you recognise when you yourself are experiencing it? 
There are many different indications, signs and symptoms associated with the condition.
These include: 

• Inability to concentrate

• Problems with memory

• Anxiety

• Constant worrying

• Insomnia

• Emotionally, you could be affected by moodiness, agitation, a feeling of loneliness or depression, an inability to relax and greater irritability.

• Stress can also manifest itself in physical and behavioural symptoms such as aches and pains, dizziness, nausea, chest pain, a change in eating patterns, procrastination and isolation. This is because stress affects key areas in the body such as the nervous, respiratory, musculoskeletal and gastrointestinal systems.

 

Stress is the body’s natural response to a challenging situation, but prolonged symptoms can lead to more serious health problems. It can raise your blood pressure, affect your immune system and even speed up the physical ageing process.