Preventative Medicine.
The profession of preventive medicine involves encouraging preventative health care to enhance patient wellbeing. The ultimate objective is to avert illness, incapacity, and death. Licensed preventive medicine doctors who are specialists in the field include:
- Doctors of medicine (MD)
 - Specialists in osteopathy (DO)
 
These experts assess patients and provide preventative care as a result of their proficiency in a variety of medical specialties, such as:
- Biostatistics
 - Epidemiology
 - Planning and monitoring health care performance
 - Health care organization management
 - Research
 - Practice of preventive medicine in clinical settings
 
Through illness prevention and health promotion, they use their knowledge of medicine, social, economic, and behavioral sciences to enhance the health and quality of life for people, families, communities, and populations.
Here's another question with an answer similar to this about Preventive Medicine: brainly.com/question/12188343
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no but it does make you feel happy
 
        
                    
             
        
        
        
Can not be determined
  
BMR is known as Basal Metabolic Rate which requires information about person's height, weight, age and gender to determine the number of calories burned by a person in a day.
But here only number of calories i.e. 1300 is given which is not enough to find out Alex's Total Energy Expenditure (TEE) as there is no detail about his height, weight and age is given.
Average BMR in the USA:
For Women it is 1493 calories.
For Men it is 1662 calories.
BMR is different from BMI (Body Mass Index) because to find out body mass index only the data related to height and weight is required.
and your welcome!
 
        
             
        
        
        
Answer:
a) I was given an advertisement about a weight-loss pill that it will reduce 3 kgs weight every week. The medicine also showed remarks by the buyers on their social media pages that it was effective and helping in weight loss.
b) As the pill was being advertised by a health practitioner,  I actually thought that it will produce the 'so- called' results. The publicity of the  pills were great. However, it failed to produce the desired results. 
 
        
             
        
        
        
<span>The virus can be transmitted through contact with infected blood, semen, or vaginal fluids .Within a few weeks of HIV infection, flu-like symptoms such as fever, sore throat, and fatigue can occur. Then the disease is usually does not show symptoms until it become to AIDS. AIDS symptoms include weight loss, fever or night sweats, fatigue, and constant infections.</span>