form 4 Biology chap6 pt7
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form 4 Biology chap6 pt7

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form 4 Biology chap6 pt7 form 4 Biology chap6 pt7 Presentation Transcript

  • E A T IN G H A habitsT S prevent• Good & healthy B I  to health problem (related to bad eating habits)• Good eating habits : right frequency, time of eating, type of food consume
  • E A T IN G• Ex amp l e s o f g o o d Tat i n g HAB Ie S h ab i t s : – Eat i n g f o o d t h at i s n u t r i t i o u s & c o n s t i t u t e s a b al an c e s d i e t – Ch e wi n g t h e f o o d we l l  e as y t o d i ge s t – Eat i n g at s p e c i f i c t i me  t o avo i d s t o mac h u l c e r s – Avo i d i n g t h e h ab i t o f e at i n g t o o mu c h @ n o t e at i n g at al l – Eat i n g f o o d t h at h as a var i e t y o f
  • HE ALTHPRO BLE M S • GASTRITIS • OBESITY• ANEROXIA NERVOSA • BULIMIA NERVOSA View slide
  • GASTRITIS• Cau s e d b y b ad e at i n g h ab i t s ( e at i n g t o o l at e & n o t at s p e c i f i c t i me )• Th e e mp t y s t o mac h s t i mu l at e s t h e s t o mac h t o s e c r e t e mo r e g as t r i c j u i c e wh i c h c o n t ai n HCl ac i d• Th e g as t r i c j u i c e ac t s o n t h e wal l s o f t h e s t o mac h , c au s i n g i n f l ammat i o n o f t h e s t o mac h  g as t r i t i s  l o n g p e r i o d  s t o mac h l i n i n g may b e e r o d e d t o f o r m u l c e r  g as t r i c u l c e r• S ymp t o ms : – S h ar p p ai n i n t h e s t o mac h , W i g h t l o s s e – L o s s o f ap p e t i t e , vo mi t i n g View slide
  • G A S T R IT I S
  • OBESI TY• Excessive body weight due to the intake of too much food that rich in carbohydrates & fats.• Body weight is 20% more than the actual body weight with respect to the height.• Easily contract other diseases such as high blood pressure (hypertension), heart diseases & diabetes mellitus
  • OBESI TY• BMI = body weight (kg) height (m) x height (m)• Can be avoided in the following ways : – Reduce the intake of food which is rich in carbohydrates & fats – Exercise frequently – Do not tempted to eat between meals
  • O B E S IT Y
  • ANEROXIA NERVOSA• A p s yc h o l o g i c al d i s e as e wh i c h u s u al l y o c c u r s amo n g yo u n g wo me n wh o f e e l t h e y ar e t o o f at & n o t at t r ac t i ve• An e at i n g d i s o r d e r r e f r ai n f r o m e at i n g & e x e r c i s e e x c e s s i ve l y• S ymp t o ms : – Ex c e s s i ve l o s s o f we i g h t , me n t al & e mo t i o n al p r o b l e ms & mal n u t r i t i o n• Ur g e n t t r e at me n t b y s p e c i al i s t s i s r e q u i r e d , c an c au s e d e at h i f
  • A N E R O X IAN E R VO S A
  • B U L IM IA N hEpR bVe O rSl at e d• A h e al t ro l m e A to b ad e at i n g h ab i t s• Eat e x c e s s i ve l y & t h e n i n d u c e vo mi t i n g b y p u t t i n g h e r f i n g e r s d o wn h e r t h r o at• W i g h t l o s s , mal n u t r i t i o n , e e mo t i o n al & me n t al d i s t u r b an c e s .
  • BULIMIANERVOS A
  • E V A L U A T IN G N U T R IE N T C O N TE N TS O F F O O D• Cr i t e r i a h ave t o b e c o n s i d e r e d wh e n choos i ng f ood : – Th e n u t r i e n t c o n t e n t – Th e f r e s h n e s s – Th e p r e s e n c e o f c h e mi c al s u b s t an c e s ( ar t i f i c i al f l avo u r i n g s , p r e s e r vat i ve s & c o l o u r i n g s  n o t g o o d f o r h e al t h & c an c au s e c an c e r• F ood Ac t ( 1983) & F ood Reg ul at i on ( 1985) : al l p r o c e s s e d f o o d mu s t h ave a f o o d l ab e l t o s h o w t he nut r i ent c ont ent o f t h e f o o d , t he c hem c al i s ubs t anc es u s e d & t he expi r y dat e o f