Bio
Dr. Preston has presented continuing education workshops for the past 25 years and has spoken in the United States, Canada, Russia, Africa, and Europe.
He is the author of "Drugs in Psychiatry" chapter in the Encyclopedia Americana.
Specialties:
- Psychology
- View Credentials
Location:
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Group Memberships
Credentials
- Education
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Doctor of Psychology, Baylor University, Waco, Texas, 1979
- Board Certifications
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American Psychological AssociationCounseling Psychology, American Board of Professional PsychologyNeuropsychology, ABPN
- Honors or Awards
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Distinguished Contributions to Psychology, California Psychological Association, 2006President's Award: Mental Health Association, 2003
- Publications
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15 of my books are in print...1/2 are self-help books and 1/2 are textbooks for professionals...see "books" section of this web site.
Activity
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What are the health benefits of regular moderate exercise?
Regular exercise has multiple benefits for everyone, including lower risk for heart disease, hypertension and diabetes and improved joint and muscular functioning. Exercise improves your mood and b...
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What causes depression?
Depression can be caused by many factors. Most of the time, it’s a reaction to stressful life experiences, such as the loss of a loved one to death or divorce, the loss of a job, ongoin...
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How can I avoid headaches associated with caffeine withdrawal?
If you are using amounts of caffeine that exceed 750 mg per day, you’ll need to gradually reduce your daily consumption in order to prevent caffeine withdrawal, which causes symptoms of heada...
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What are the symptoms of depression?
Symptoms of depression (often referred to as "major depression" or "clinical depression") include sadness, unhappiness or irritability; low self-esteem; a loss of enthusiasm, mo...
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What relaxation techniques can help me sleep better?
Here’s a simple breathing technique that activates the parasympathetic nervous system and helps to induce relaxation. Take a deep breath, counting to 4 as you inhale. Hold for a count of 6, t...
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How can I get the most out of exercising to improve my sleep?
You should avoid strenuous exercise right before bedtime. If you must exercise close to your bedtime, try low-impact stretches or a calming yoga routine. Avoid a vigorous workout.
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How can I improve my sleep?
It may seem counterintuitive to have to work at getting a good night’s sleep, but sleep experts have found that good sleep habits, otherwise known as sleep hygiene, can improve your likelihoo...
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Can alcohol affect bipolar disorder?
Alcohol is a mood-altering substance that some people with bipolar disorder use to self-medicate, which means that they use it to either drown their emotions or calm mania. When it comes to alcohol...
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How can my family and friends help me manage my bipolar disorder?
A support system is a network of friends, family, and professionals who are willing and able to provide you with the help you need when you need it. This support could vary from accompanying you on...
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How does my body react to stress response?
How does the body generally respond to stress? All biological processes are fundamentally adaptive. They have developed over hundreds of thousands of years in the direction of greater ability to...
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How does depression affect sleep?
Disordered sleep is extremely common in people with depression. Insomnia is especially common, particularly waking frequently throughout the night and waking early in the morning and being unable t...
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How does bipolar disorder affect sleep?
Regular sleep keeps the body running smoothly, and yet many people with bipolar disorder don't follow a set sleeping ritual. Many people also think that sleep problems are simply a result of bi...
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What is SAM-e?
SAM-e (S-adenosylmethionine) is found in most living cells. It is thought to be necessary for carrying out a number of important intracellular chemical reactions. SAM-e has been used in Europe for ...
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What kinds of exercise should I do?
When choosing an exercise activity, the most important thing to consider is how much you enjoy doing it. We all know it; if you pick an activity that you don’t like, you’re far less lik...
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Why should I schedule my exercise?
It helps to schedule your exercise time. Use the same calendar, day planner, or handheld device to schedule your exercise sessions that you use to schedule your work and home life, including settin...
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