Education:
BS in biology from UC Irvine
MS in Nutrition and Ecology from Cornell University.
PhD in Human Nutrition from Cornell University
Postdoctoral training at Buffalo General Hospital
Profile:
Dr. Horvath has taken a circuitous pathway to his current
research interests and present location. After growing up
in Santa Barbara during the 60’s and 70’s, he
went to the University of California at Irvine when it was
still in the middle of a cattle ranch. He received his B.S.
in Biology with specialization in Ecology and Systematics.
His undergraduate research was on defensive secondary plant
compounds and the herbivore (insect) interaction. To move
up to larger animals, Dr Horvath traveled to Upstate New York
and went to graduate school at Cornell University in Ithaca.
The subjects of his next research were larger –his M.S.
thesis was on the Nutritional Ecology of White-tailed Deer.
Getting closer to home, he shifted again doing a PhD dissertation
on Dietary Fiber Analysis and Human Colonic Fermentation.
After a post-doc with Dr Milton Weiser and Michael Duffy on
large intestinal nutrient absorption and electrophysiology
at the University at Buffalo, he joined the faculty of the
Nutrition Program. Since being in the Nutrition Program, which
is now part of the Department of Exercise and Nutrition Sciences,
his research has evolved into the area of exercise nutrition
as it relates to cardiovascular health and athletic performance
(endurance, cognition and injury prevention).
Research Interests:
Effect of carbohydrate and fat on the exercise performance
of female athletes at different times of the menstrual cycle.
Energy metabolism changes during the menstrual cycle (resting
metabolic rate, thermic effect of food, and post exercise
substrate use).
Studies involve indirect calorimetry, RQ, dietary and activity
measurements, blood metabolite and hormone/regulator measurements
and biomechanical assessments. Studies have been done on runners,
dancers, soccer players and non-athletes.
Cardiovascular Risk Factors and dietary fat in men and women.
Studies involve exercise training, blood lipid (TG, lipoproteins,
apoproteins, etc.) assays, dietary manipulations.
Studies done in other laboratories:
The effect of antioxidants on delayed onset muscle injury
(with Dr. Burton).
Diet and physical activity as predictors of successful therapy
for lung cancer patients (with Dr. Brown).
Selected Publications:
- 1. Muoio, DM, JJ Leddy, PJ Horvath,
AB Awad, and DR Pendergast, 1994 Effect of dietary fat
on metabolic adjustments to maximal VO2 and endurance
in runners, Med. Sci. Sports and Exerc. 26:81-88.
- Leddy, JJ, PJ Horvath, J Rowland, and
DR Pendergast, 1997 Effect of a high or a low fat diet
on cardiovascular risk factors in male and female runners,
Med. Sci. Sports Exerc., 29(1): 17-25.
- Venkatraman, JT, JA Rowland, E DeNardin, PJ
Horvath, and DR Pendergast, 1997 Influence of
the level of dietary lipid intake and maximal exercise
on the immune status in runners, Med. Sci. Sports Exerc.,
29(3):333-344.
- Hoppleler, H, R Billeter, PJ Horvath,
JJ Leddy, and DR Pendergast, 1999 Muscle structure with
low and high fat diets in well trained male runners. International
Journal of Sports Medicine. 20(8):522-526.
- Horvath, PJ, CK Eagen, SD Ryer-Calvin
and DR Pendergast, 2000 The effects of varying dietary
fat on the nutrient intake in male and female runners,
J. Amer. College Nutr., 19(1):42-51.
- Horvath, PJ, CK Eagen NM Fisher, JL
Leddy and DR Pendergast, 2000 The effects of varying dietary
fat on performance and metabolism in trained male and
female runners, J. Amer. College Nutr., 19(1):52 -60.
- Meksawan, K, DR Pendergast, JJ Leddy, M Mason,
PJ Horvath, AB Awad, Effect of low and high fat
diets on nutrient intakes and selected cardiovascular
risk factors in sedentary men and women, J. Amer. College
Nutr. 23(1) 2004
- Gerlach, KE, SC White, HW Burton, JM Dorn, JJ Leddy,
and PJ Horvath. Kinetic changes with
fatigue and relationship to injury in female runners.
Med. Sci. Sports Exerc. In press 2005
- Romanzo, A.E., P.J. Horvath, J. Leddy,
and H.W. Burton. Effect of a high soy protein diet on postprandial
lipemia and lipoproteins in healthy pre-menopausal women.
J. Am. College Nutr. (under review)
ABSTRACTS (2003-2005):
- Brown, JK, PJ Horvath, R Melton 2003 Response
to antioxidant supplements during radiotherapy Oncology Nursing
Society National Congress, May, Denver, CO
- Gerlach, KE, R Melton, H Burton, J Dorn, J Leddy, PJ
Horvath 2003 Fat intake as a risk factor for injury
in female runners Experimental Biology 03, April, San Diego,
CA
- LoBue-Estes, C, PJ Horvath, H Burton,
JJ Leddy and B Willer 2004 Exhaustive exercise affects cognitive
function in trained and untrained women American College of
Sports Medicine, 51th Annual Meeting, May
- Santo, AS, RW Browne, HW Burton, SM Horvath, JJ Leddy,
RA Melton, MW Hung and PJ Horvath 2004 Isoflavone-rich
Soy Protein Reduced Post-prandial Lipemia in Sedentary Males
Experimental Biology 04, April Washington DC
- Hung, MW, R Browne, AS Santo, H Burton, JJ Leddy, R Melton,
S. Horvath and P.J. Horvath 2004 The Effect
of Soy Protein on Markers of Oxidative Stress and Antioxidant
Status in Sedentary Men Experimental Biology 04, April Washington
DC
Professional affiliations:
American College of Sports Medicine, American College of Nutrition
(Fellow), American Physiological Society, American Institute
of Nutrition
Certifications:
Certified Nutritionist/Dietitian (CND), NY State
Certified Nutrition Specialist (CNS), National Certification
by ACN
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